Cleanup listing forWikiProject Costa Rica as of February 17, 2026.
Of the 4159 articles in this project 962 or 23% are marked for cleanup, with 1322 issues in total.
Listings: Alphabetic•By category•CSV•History
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| .cr | Mid | Stub | 1 | March 2022 | Unsourced passages need footnotes {{More citations needed}} (March 2022) |
| 16th Legislative Assembly of Costa Rica | Unknown | Stub | 2 | May 2018 | Cites no sources (May 2018), Unsourced passages need footnotes {{citation needed}} (May 2018) |
| 1856 in Costa Rica | Unknown | List | 1 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024) |
| 1860 in Costa Rica | Unknown | List | 1 | March 2019 | Unsourced passages need footnotes {{More citations needed}} (March 2019) |
| 1887 in Costa Rica | Unknown | List | 1 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024) |
| 1921 Costa Rican Primera División season | Low | Stub | 1 | January 2026 | Unsourced passages need footnotes {{citation needed}} (January 2026) |
| 1932 Costa Rican general election | Mid | Start | 1 | August 2023 | Clarification needed (August 2023) |
| 1948 Costa Rican general election | Low | Start | 1 | August 2025 | Failed verification (August 2025) |
| 1953 Costa Rican general election | Low | Start | 1 | CS1 errors: missing periodical | |
| 1958 Costa Rican general election | Low | Start | 1 | February 2019 | Dead external links {{dead link}} (February 2019) |
| 1960 in Costa Rica | Unknown | List | 1 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024) |
| 1962 Costa Rican general election | Low | Start | 1 | CS1 errors: missing periodical | |
| 1966 Costa Rican general election | Low | Start | 1 | February 2019 | Dead external links {{dead link}} (February 2019) |
| 1974 Costa Rican general election | Low | Start | 1 | CS1 errors: missing periodical | |
| 1978 Costa Rican general election | Low | Start | 1 | July 2019 | Page number citations needed (July 2019) |
| 1979 in Costa Rica | Unknown | List | 1 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024) |
| 1998 Costa Rican general election | Low | Start | 1 | CS1 errors: periodical ignored | |
| 1999 UNCAF Nations Cup | Low | Stub | 1 | June 2025 | Unsourced passages need footnotes {{More citations needed}} (June 2025) |
| 2004–05 Primera División (Costa Rica) | Low | Stub | 2 | November 2025 | Unsourced passages need footnotes {{More citations needed}} (November 2025), Unsourced passages need footnotes {{citation needed}} (February 2026) |
| 2006 Costa Rican general election | Mid | Start | 1 | June 2016 | Dead external links {{dead link}} (June 2016) |
| 2007 Costa Rican Dominican Republic – Central America Free Trade Agreement referendum | Mid | Stub | 1 | August 2017 | Dead external links {{dead link}} (August 2017) |
| 2007 in Costa Rica | Unknown | List | 1 | September 2018 | Dead external links {{dead link}} (September 2018) |
| 2010 FIFA World Cup qualification (CONCACAF–CONMEBOL play-off) | Low | Start | 1 | July 2023 | Unsourced passages need footnotes {{citation needed}} (July 2023) |
| 2010–11 Costa Rican Primera División season | Low | Stub | 2 | April 2011 | Unsourced passages need footnotes {{More citations needed}} (April 2011), Unsourced passages need footnotes {{citation needed}} (February 2026) |
| 2013 Costa Rican Cup | Low | Start | 1 | August 2016 | Unsourced passages need footnotes {{More citations needed}} (August 2016) |
| 2014 Costa Rican Cup | Low | Start | 1 | February 2026 | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| 2014 FIFA U-17 Women's World Cup | Low | C | 1 | February 2026 | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| 2014 Women's Futsal World Tournament | Low | Stub | 1 | February 2026 | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| 2014–15 Liga FPD | Unknown | Start | 1 | February 2026 | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| 2016 in Costa Rica | Unknown | List | 1 | January 2020 | Unsourced passages need footnotes {{More citations needed}} (January 2020) |
| 2017–18 Liga FPD | Low | C | 2 | June 2022 | Dead external links {{dead link}} (June 2022), Unsourced passages need footnotes {{citation needed}} (February 2026) |
| 2017–18 Liga FPD – Apertura season | Unknown | Start | 1 | February 2026 | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| 2017–18 Liga FPD – Clausura season | Unknown | Stub | 2 | January 2018 | Expansion needed (January 2018), Unsourced passages need footnotes {{citation needed}} (January 2026) |
| 2018 Costa Rican general election | Low | C | 2 | June 2022 | Unsourced passages need footnotes {{citation needed}} (June 2022), Dead external links {{dead link}} (July 2023) |
| 2018 Costa Rican protests | Unknown | Start | 1 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| 2018 in Costa Rica | Unknown | List | 1 | May 2024 | Expansion needed (May 2024) |
| 2018–19 Liga FPD | Low | Start | 1 | June 2022 | Dead external links {{dead link}} (June 2022) |
| 2019 in Costa Rica | Unknown | List | 1 | November 2025 | Unsourced passages need footnotes {{More citations needed}} (November 2025) |
| 2022–23 Liga FPD | Unknown | Start | 1 | February 2026 | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| A.D. Guanacasteca | Low | Start | 1 | January 2026 | Unsourced passages need footnotes {{More citations needed}} (January 2026) |
| A.D. Municipal Santa Ana | Unknown | Stub | 1 | January 2026 | Unsourced passages need footnotes {{More citations needed}} (January 2026) |
| A.D.R. Jicaral | Low | Stub | 1 | June 2020 | Unsourced passages need footnotes {{More citations needed}} (June 2020) |
| Aarón Cruz (BLP) | Low | C | 4 | March 2019 | Dead external links {{dead link}} (March 2019, July 2025), Cleanup needed (July 2021, July 2021) |
| Aarón Suárez (BLP) | Low | Stub | 1 | October 2025 | Unsourced passages need footnotes {{citation needed}} (October 2025) |
| Abel Pacheco (BLP) | High | Start | 2 | October 2007 | BLP articles lacking sources (October 2007), Unsourced passages need footnotes {{citation needed}} (September 2011) |
| Academy at Dundee Ranch | Unknown | Start | 1 | October 2016 | Dead external links {{dead link}} (October 2016) |
| Achaearanea | Low | Start | 2 | October 2016 | Dead external links {{dead link}} (October 2016), Potentially dated statements (October 2025) |
| Act of Independence of the Republic of Costa Rica | Top | Start | 1 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Administrative divisions of Costa Rica | High | Stub | 1 | May 2019 | Dead external links {{dead link}} (May 2019) |
| Adonis Hilario (BLP) | Low | Stub | 1 | June 2009 | BLP articles lacking sources (June 2009) |
| Adrián Mahía (BLP) | Low | Start | 1 | October 2010 | BLP articles lacking sources (October 2010) |
| Adrián Rojas (BLP) | Low | Stub | 1 | October 2016 | Dead external links {{dead link}} (October 2016) |
| Aenigmarachne | Low | Stub | 1 | January 2026 | Potentially dated statements (January 2026) |
| Aero Costa Rica | Low | Start | 1 | November 2025 | Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Afro–Costa Ricans | Unknown | Start | 1 | July 2024 | Unsourced passages need footnotes {{More citations needed}} (July 2024) |
| Agricultural Party (Costa Rica) | Unknown | Start | 1 | December 2018 | Unsourced passages need footnotes {{More citations needed}} (December 2018) |
| Agriculture in Costa Rica | High | Start | 7 | August 2012 | Unsourced passages need footnotes {{citation needed}} (August 2012, May 2014, May 2015, January 2018), Vague or ambiguous geographic scope (May 2015), Disputed statements (May 2015), Incomplete citations (May 2015) |
| Aguas Zarcas | Low | Stub | 1 | September 2023 | Unsourced passages need footnotes {{citation needed}} (September 2023) |
| Aguas Zarcas volcanic field | Low | Start | 1 | CS1 errors: missing periodical | |
| Air Vigilance Service | Mid | Start | 1 | October 2012 | Obsolete information (October 2012) |
| Alajuela (canton) | Unknown | Start | 1 | August 2019 | Unsourced passages need footnotes {{citation needed}} (August 2019) |
| Alajuela Province | High | B | 1 | November 2014 | Cites unreliable sources (November 2014) |
| Alajuelense Fútbol Femenino | Unknown | C | 3 | 2022 | Potentially dated statements (2022, May 2023, June 2023) |
| Alberto Oreamuno Flores | High | Stub | 1 | August 2022 | Cites unreliable sources (August 2022) |
| Alberto Salom Echeverría (BLP) | Mid | Start | 1 | February 2017 | Dead external links {{dead link}} (February 2017) |
| Alegría District | Unknown | Stub | 3 | August 2025 | Link rot cleanup (August 2025), Unsourced passages need footnotes {{More citations needed}} (November 2025), Dead external links {{dead link}} (November 2025) |
| Alejandro Ramírez (chess player) (BLP) | Low | Start | 2 | March 2023 | Unsourced passages need footnotes {{citation needed}} (March 2023), Vague or ambiguous time (December 2025) |
| Alexandre Guimarães (BLP) | Low | Start | 1 | September 2024 | Unsourced passages need footnotes {{citation needed}} (September 2024) |
| Alfio Piva (BLP) | Unknown | Stub | 1 | April 2012 | Dead external links {{dead link}} (April 2012) |
| Alfonso Chase (BLP) | Unknown | Stub | 1 | February 2023 | BLP articles lacking sources (February 2023) |
| Alfredo Cruz Bolaños | Low | Start | 1 | April 2025 | Unsourced passages need footnotes {{citation needed}} (April 2025) |
| Alfredo González Flores | High | Start | 3 | March 2013 | Unsourced passages need footnotes {{citation needed}} (March 2013, December 2024), Weasel-worded phrases (April 2013) |
| Alicia Avilés (BLP) | Unknown | Stub | 1 | August 2023 | Dead external links {{dead link}} (August 2023) |
| Allen Guevara (BLP) | Unknown | Stub | 1 | November 2010 | BLP articles lacking sources (November 2010) |
| Alonso Martínez (footballer) (BLP) | Low | Stub | 1 | May 2021 | Failed verification (May 2021) |
| Amalia Matamoros (BLP) | Low | Stub | 1 | August 2010 | BLP articles lacking sources (August 2010) |
| Amara Wilson (BLP) | Low | Stub | 1 | August 2023 | BLP articles lacking sources (August 2023) |
| Amelia Rueda (BLP) | Low | Stub | 1 | June 2022 | Notability unclear (June 2022) |
| Ameridion | Low | Stub | 1 | May 2020 | Potentially dated statements (May 2020) |
| Anaptomecus | Low | Stub | 1 | September 2019 | Potentially dated statements (September 2019) |
| Anarchism in Costa Rica | Low | Start | 1 | May 2025 | Unsourced passages need footnotes {{citation needed}} (May 2025) |
| Andrey Campos (BLP) | Unknown | Stub | 1 | October 2016 | Dead external links {{dead link}} (October 2016) |
| Andy Furtado (BLP) | Unknown | Stub | 1 | October 2016 | Dead external links {{dead link}} (October 2016) |
| Andy Herron (BLP) | Low | Start | 1 | October 2016 | Dead external links {{dead link}} (October 2016) |
| Angelica Cob-Baehler | Low | C | 1 | July 2025 | Failed verification (July 2025) |
| Angiopteris evecta | Mid | C | 1 | April 2023 | Potentially dated statements (April 2023) |
| Anolis polylepis | Low | Stub | 1 | December 2023 | Unsourced passages need footnotes {{More citations needed}} (December 2023) |
| Anthony Contreras (BLP) | Low | Start | 1 | Reference errors | |
| Antisemitism in Costa Rica | Unknown | C | 2 | CS1 errors: missing periodical, CS1 errors: periodical ignored | |
| Antonio Álvarez Desanti (BLP) | Mid | Start | 1 | July 2019 | BLP articles lacking sources (July 2019) |
| António Pinto Soares | High | Stub | 1 | August 2025 | Has general references but lacks inline footnotes (August 2025) |
| Aphonopelma | Low | Start | 2 | June 2019 | Unsourced passages need footnotes {{More citations needed}} (June 2019), Potentially dated statements (January 2023) |
| Architecture of Costa Rica | High | C | 2 | September 2023 | Promotional tone (September 2023), Unsourced passages need footnotes {{citation needed}} (October 2023) |
| Arenal Botanical Gardens | Low | Stub | 2 | December 2017 | Coordinates needed, Vague or ambiguous time (December 2017) |
| Arenal River | Low | Stub | 1 | Coordinates needed | |
| Arenal Volcano | Mid | Start | 1 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Argenis Fernández (BLP) | Unknown | Start | 2 | August 2022 | Cleanup needed (August 2022), Link rot cleanup (August 2022) |
| Ariamnes (spider) | Low | Start | 1 | October 2025 | Potentially dated statements (October 2025) |
| Ariel Lassiter (BLP) | Unknown | C | 2 | January 2024 | Dead external links {{dead link}} (January 2024), Unsourced passages need footnotes {{citation needed}} (October 2025) |
| Armando Alonso (BLP) | Unknown | Stub | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Article 12 of the Constitution of Costa Rica | High | C | 2 | November 2020 | Unsourced passages need footnotes {{citation needed}} (November 2020), Accuracy disputes or self-published (November 2022) |
| Article 98 of the Constitution of Costa Rica | Low | Start | 1 | March 2019 | Dead external links {{dead link}} (March 2019) |
| Arturo Agüero Chaves | Unknown | Start | 1 | October 2019 | Dead external links {{dead link}} (October 2019) |
| Asdrúbal Paniagua (BLP) | Low | Stub | 1 | November 2008 | Unsourced passages need footnotes {{citation needed}} (November 2008) |
| Aserrí F.C. | Low | Stub | 2 | May 2022 | Unsourced passages need footnotes {{More citations needed}} (May 2022), Style editing needed (May 2022) |
| Asociación Salvemos las Tortugas de Parismina | Low | Stub | 1 | June 2013 | Unsourced passages need footnotes {{More citations needed}} (June 2013) |
| Atelopus varius | Low | Start | 2 | July 2008 | Unsourced passages need footnotes {{citation needed}} (July 2008), Page number citations needed (January 2024) |
| Athenidelphax | Low | Stub | 2 | 2025 | Potentially dated statements (2025), Unsourced passages need footnotes {{More citations needed}} (January 2026) |
| Athletics at the 2013 Central American Games | Unknown | Stub | 1 | July 2017 | Dead external links {{dead link}} (July 2017) |
| Atirro River | Low | Stub | 1 | February 2019 | Expansion needed (February 2019) |
| Austín Berry (BLP) | Low | Start | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Authentic Limonense Party | Mid | Stub | 1 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020) |
| Autoridad Reguladora de Servicios Públicos | Unknown | Stub | 1 | June 2025 | Unsourced passages need footnotes {{More citations needed}} (June 2025) |
| Avianca Costa Rica | Low | Start | 1 | June 2024 | Potentially dated statements (June 2024) |
| Avicennia germinans | Low | Start | 1 | September 2023 | Unsourced passages need footnotes {{More citations needed}} (September 2023) |
| Bahia Salinas | Unknown | Stub | 2 | November 2022 | Coordinates needed, Orphaned (November 2022) |
| Baháʼí Faith in Costa Rica | Low | B | 2 | CS1 errors: periodical ignored, CS1 errors: ISBN date | |
| Bahía Drake | Low | Stub | 1 | August 2016 | Unsourced passages need footnotes {{More citations needed}} (August 2016) |
| Band-backed wren | Unknown | Start | 1 | July 2025 | Dead external links {{dead link}} (July 2025) |
| Barra del Colorado Wildlife Refuge | Low | Stub | 2 | June 2025 | Unsourced passages need footnotes {{citation needed}} (June 2025), Unsourced passages need footnotes {{More citations needed}} (June 2025) |
| Barrios' War of Reunification | Low | C | 1 | February 2024 | Unsourced passages need footnotes {{citation needed}} (February 2024) |
| Beatriz Padrón (BLP) | Unknown | Stub | 1 | August 2021 | BLP articles lacking sources (August 2021) |
| Bebedero River | Low | Stub | 1 | Coordinates needed | |
| Belén (canton) | Unknown | Start | 1 | March 2015 | Expansion needed (March 2015) |
| Bernardo Rodríguez y Alfaro | Unknown | Stub | 1 | December 2024 | Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Bohdan Koziy | Low | Start | 2 | January 2011 | Has general references but lacks inline footnotes (January 2011), Unsourced passages need footnotes {{citation needed}} (January 2011) |
| Boruca | Mid | C | 1 | September 2010 | Unsourced passages need footnotes {{More citations needed}} (September 2010) |
| Bothriechis schlegelii | Mid | B | 4 | August 2016 | Expansion needed (August 2016), Weasel-worded phrases (August 2016), Dead external links {{dead link}} (October 2023), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Brachypelma | Low | B | 3 | October 2017 | Unsourced passages need footnotes {{citation needed}} (October 2017), Potentially dated statements (March 2020), Unsourced passages need footnotes {{More citations needed}} (March 2021) |
| Brandon Poltronieri (BLP) | Unknown | Start | 1 | June 2018 | BLP articles lacking sources (June 2018) |
| Brava, Costa Rica | Low | Stub | 1 | August 2023 | Cites no sources (August 2023) |
| Brayan López (footballer, born 1990) (BLP) | Low | Start | 1 | May 2022 | Unsourced passages need footnotes {{citation needed}} (May 2022) |
| Brazil–Costa Rica relations | Low | Stub | 2 | November 2013 | Unsourced passages need footnotes {{citation needed}} (November 2013), Unsourced passages need footnotes {{More citations needed}} (November 2013) |
| Bribri language | Unknown | Start | 1 | November 2022 | Unsourced passages need footnotes {{citation needed}} (November 2022) |
| Bribri people | Unknown | C | 1 | November 2022 | Unsourced passages need footnotes {{citation needed}} (November 2022) |
| Brisa Hennessy (BLP) | Unknown | Start | 1 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Brunca | Unknown | Start | 1 | Coordinates needed | |
| Bruno Stagno (BLP) | Unknown | Stub | 1 | April 2018 | BLP articles lacking sources (April 2018) |
| Bryan Oviedo (BLP) | Unknown | C | 1 | January 2018 | Dead external links {{dead link}} (January 2018) |
| Bryan Ruiz (BLP) | Low | C | 2 | November 2016 | Dead external links {{dead link}} (November 2016), Pages with broken anchors (see article talk page, remove when fixed) |
| Buddhism in Costa Rica | Unknown | Start | 1 | September 2008 | Unsourced passages need footnotes {{citation needed}} (September 2008) |
| Buen Día | Unknown | Stub | 1 | October 2023 | Cites unreliable sources (October 2023) |
| Buffy tuftedcheek | Low | Start | 1 | August 2023 | Unsourced passages need footnotes {{citation needed}} (August 2023) |
| C.D. Barrio México | Low | Stub | 2 | September 2011 | Vague or ambiguous time (September 2011), Expansion needed (March 2024) |
| C.S. Cartaginés | Low | Start | 1 | March 2018 | Unsourced passages need footnotes {{More citations needed}} (March 2018) |
| CDR Canal 2 | Low | Stub | 1 | March 2011 | Notability unclear (March 2011) |
| COVID-19 pandemic in Costa Rica | Mid | C | 2 | March 2022 | Potentially dated statements (March 2022, August 2022) |
| Cabo Matapalo | Unknown | Stub | 2 | June 2010 | Unsourced passages need footnotes {{More citations needed}} (June 2010), Style editing needed (June 2010) |
| Cabécar language | Low | Start | 1 | June 2024 | Accuracy disputes or self-published (June 2024) |
| Cabécar people | Low | Start | 1 | September 2022 | Unsourced passages need footnotes {{citation needed}} (September 2022) |
| Cacique Guaro | Low | Start | 1 | April 2010 | Has general references but lacks inline footnotes (April 2010) |
| Cairns Group | Low | C | 1 | November 2015 | Unsourced passages need footnotes {{More citations needed}} (November 2015) |
| Calypogeia rhynchophylla | Unknown | Stub | 1 | October 2025 | Unsourced passages need footnotes {{More citations needed}} (October 2025) |
| Camaronal Wildlife Refuge | Low | Stub | 1 | June 2019 | Dead external links {{dead link}} (June 2019) |
| Cameron Johnson (footballer) (BLP) | Low | Start | 1 | October 2025 | Dead external links {{dead link}} (October 2025) |
| Canada–Costa Rica Free Trade Agreement | Mid | Stub | 1 | August 2022 | Clarification needed (August 2022) |
| Canada–Costa Rica relations | Low | Start | 1 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Canal 13 (Costa Rican TV channel) | Low | Stub | 2 | March 2011 | Notability unclear (March 2011), Unsourced passages need footnotes {{More citations needed}} (October 2024) |
| Canal 9 (Costa Rican TV channel) | Low | Stub | 2 | March 2011 | Notability unclear (March 2011), Unsourced passages need footnotes {{More citations needed}} (January 2017) |
| Captaincy General of Guatemala | Mid | C | 2 | May 2022 | Incomplete citations (May 2022), Unsourced passages need footnotes {{More citations needed}} (May 2022) |
| Carlos Alvarado Quesada (BLP) | High | Start | 2 | July 2017 | BLP articles lacking sources (July 2017, March 2022) |
| Carlos Arredondo (BLP) | Low | C | 7 | February 2013 | Unsourced passages need footnotes {{citation needed}} (February 2013, April 2013, August 2019, August 2022), Clarification needed (December 2013), Cites unreliable sources (July 2014), Dead external links {{dead link}} (November 2016) |
| Carlos Castro (footballer, born 1978) (BLP) | Low | Stub | 1 | November 2016 | Dead external links {{dead link}} (November 2016) |
| Carlos Durán Cartín | High | Stub | 1 | May 2025 | Unsourced passages need footnotes {{More citations needed}} (May 2025) |
| Carlos Echandi | Low | Start | 1 | November 2023 | Dead external links {{dead link}} (November 2023) |
| Carlos Hernández (footballer, born 1982) (BLP) | Low | Start | 2 | July 2011 | Unsourced passages need footnotes {{citation needed}} (July 2011), Dead external links {{dead link}} (December 2022) |
| Carlos Humberto Rodríguez Quirós | Unknown | Stub | 1 | October 2021 | Unsourced passages need footnotes {{More citations needed}} (October 2021) |
| Carlos Johnson (footballer) (BLP) | Unknown | Start | 3 | January 2012 | Dead external links {{dead link}} (January 2012, November 2018), CS1 errors: missing title |
| Carlos Luis Fallas | Unknown | Stub | 1 | March 2024 | Has general references but lacks inline footnotes (March 2024) |
| Carlos Manuel Zecca | Low | Start | 1 | September 2024 | Unsourced passages need footnotes {{More citations needed}} (September 2024) |
| Carlos Peucelle | Unknown | Start | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Carlos Solano (BLP) | Low | Stub | 1 | November 2022 | Unsourced passages need footnotes {{citation needed}} (November 2022) |
| Carlos Soley | Unknown | Start | 1 | October 2022 | Unsourced passages need footnotes {{citation needed}} (October 2022) |
| Carlos Toppings | Unknown | Stub | 1 | December 2025 | Dead external links {{dead link}} (December 2025) |
| Carmen Lyra | Low | C | 2 | CS1 errors: missing title, CS1 errors: bare URL | |
| Carmen Naranjo | Low | C | 1 | CS1 errors: generic name | |
| Carmen Quesada Santamaría (BLP) | Low | Stub | 1 | July 2020 | BLP articles lacking sources (July 2020) |
| Carolina Coto Segnini (BLP) | Low | Start | 2 | December 2023 | BLP articles lacking sources (December 2023), Weasel-worded phrases (December 2023) |
| Carrillo Airport | Unknown | Stub | 1 | January 2026 | Dead external links {{dead link}} (January 2026) |
| Cartago Green Party | Unknown | Start | 2 | October 2016 | Unsourced passages need footnotes {{More citations needed}} (October 2016), Update needed (October 2016) |
| Cartago Province | High | Stub | 1 | December 2016 | Unsourced passages need footnotes {{citation needed}} (December 2016) |
| Cartago, Costa Rica | Low | Start | 1 | November 2016 | Dead external links {{dead link}} (November 2016) |
| Castilla de Oro | Mid | Stub | 1 | Coordinates needed | |
| Catholic Church in Costa Rica | Low | Start | 1 | December 2019 | Unsourced passages need footnotes {{More citations needed}} (December 2019) |
| Cañas River (Bebedero River tributary) | Low | Stub | 1 | Coordinates needed | |
| Cañas River (Tempisque River tributary) | Low | Stub | 1 | Coordinates needed | |
| Celeste River | Low | Stub | 1 | Coordinates needed | |
| Celso Borges (BLP) | Low | Stub | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Central America under Mexican rule | Low | GA | 1 | CS1 errors: ISBN date | |
| Central American Adventist University | Low | Stub | 1 | September 2023 | Cites unreliable sources (September 2023) |
| Central Time Zone | Mid | Start | 1 | August 2024 | Unsourced passages need footnotes {{citation needed}} (August 2024) |
| Centro Agronómico Tropical de Investigación y Enseñanza | Unknown | Start | 2 | April 2016 | Cites unreliable sources (April 2016), Unsourced passages need footnotes {{More citations needed}} (April 2016) |
| Centro Nacional de Rehabilitación | Low | Stub | 1 | June 2014 | Notability unclear (June 2014) |
| Centro de Conservación de Santa Ana | Unknown | Start | 1 | July 2016 | Unsourced passages need footnotes {{More citations needed}} (July 2016) |
| Cerro Cedral | Low | Stub | 1 | November 2016 | Dead external links {{dead link}} (November 2016) |
| Cerro Chirripó | Low | Start | 2 | March 2024 | Dead external links {{dead link}} (March 2024), Unsourced passages need footnotes {{More citations needed}} (October 2025) |
| Cerro Kamuk | Low | Stub | 1 | March 2010 | Unsourced passages need footnotes {{More citations needed}} (March 2010) |
| Cerro San Miguel | Unknown | Stub | 1 | Coordinates needed | |
| Cerro de la Muerte | Low | Stub | 1 | October 2025 | Unsourced passages need footnotes {{More citations needed}} (October 2025) |
| Cerro de la Muerte Biological Station | Low | Start | 1 | July 2011 | Unsourced passages need footnotes {{citation needed}} (July 2011) |
| Chato Volcano | Unknown | Stub | 1 | June 2009 | Unsourced passages need footnotes {{More citations needed}} (June 2009) |
| Chavela Vargas | Low | C | 2 | August 2013 | Unsourced passages need footnotes {{citation needed}} (August 2013), CS1 errors: archive-url |
| Cheng Siu Chung (BLP) | Unknown | Start | 1 | August 2010 | BLP articles lacking sources (August 2010) |
| China–Costa Rica Free Trade Agreement | Low | Stub | 1 | October 2019 | Unsourced passages need footnotes {{More citations needed}} (October 2019) |
| Chirripó Duchi River | Low | Stub | 1 | Coordinates needed | |
| Chirripó National Park | Low | Start | 1 | August 2025 | Link rot cleanup (August 2025) |
| Chirripó Pacifico River | Low | Stub | 1 | Coordinates needed | |
| Chirripó River | Low | Stub | 1 | Coordinates needed | |
| Chrosiothes | Low | Start | 1 | May 2020 | Potentially dated statements (May 2020) |
| Chrysometa | Low | Stub | 1 | October 2019 | Potentially dated statements (October 2019) |
| Chrysso | Low | Start | 1 | May 2020 | Potentially dated statements (May 2020) |
| Cinema of Costa Rica | Low | Start | 2 | May 2023 | CS1 errors: missing periodical, Unsourced passages need footnotes {{citation needed}} (May 2023) |
| Cinetomorpha | Low | Stub | 1 | February 2022 | Potentially dated statements (February 2022) |
| Circapina flexalana | Low | Stub | 1 | CS1 errors: missing periodical | |
| Claudia Poll (BLP) | Low | Start | 2 | August 2017 | Dead external links {{dead link}} (August 2017), Unsourced passages need footnotes {{citation needed}} (August 2024) |
| Claudio Jara (BLP) | Low | Start | 1 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024) |
| Clelia (snake) | Low | Start | 3 | October 2022 | Unsourced passages need footnotes {{More citations needed}} (October 2022, April 2024), Unsourced passages need footnotes {{citation needed}} (April 2024) |
| Cleto González Víquez | High | Start | 1 | April 2014 | Unsourced passages need footnotes {{More citations needed}} (April 2014) |
| Clodomiro Picado Twight | Mid | Start | 1 | June 2016 | Dead external links {{dead link}} (June 2016) |
| Cloud-dwelling spiny pocket mouse | Low | C | 1 | CS1 errors: missing periodical | |
| Club de Fútbol Universidad de Costa Rica | Unknown | Stub | 2 | December 2025 | Cleanup needed (December 2025, December 2025) |
| Clásico centroamericano | Low | Start | 1 | June 2021 | Unsourced passages need footnotes {{More citations needed}} (June 2021) |
| Coat of arms of Costa Rica | High | Start | 1 | March 2022 | Dead external links {{dead link}} (March 2022) |
| Cobano Airport | Low | Stub | 2 | December 2024 | Cites unreliable sources (December 2024), Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Cocorí | Low | Start | 1 | October 2015 | Unsourced passages need footnotes {{More citations needed}} (October 2015) |
| Cocos Island | Low | C | 3 | March 2009 | Unsourced passages need footnotes {{citation needed}} (March 2009, July 2020), CS1 errors: archive-url |
| Coen River (Costa Rica) | Low | Stub | 1 | Coordinates needed | |
| Coffee production in Costa Rica | Low | C | 1 | January 2011 | Unsourced passages need footnotes {{citation needed}} (January 2011) |
| Colegio Federado de Ingenieros y Arquitectos de Costa Rica | Low | Stub | 1 | June 2024 | Unsourced passages need footnotes {{More citations needed}} (June 2024) |
| Colegio Humboldt (Costa Rica) | Unknown | Start | 1 | November 2021 | Cites unreliable sources (November 2021) |
| College of Physicians and Surgeons of Costa Rica | Low | Stub | 1 | 2025 | Potentially dated statements (2025) |
| Colorado River (Costa Rica) | Low | Stub | 2 | June 2019 | Coordinates needed, Unsourced passages need footnotes {{More citations needed}} (June 2019) |
| Colorado River (Tempisque River tributary) | Low | Stub | 1 | Coordinates needed | |
| Colón (currency) | Low | List | 4 | November 2025 | Unsourced passages need footnotes {{More citations needed}} (November 2025), Unsourced passages need footnotes {{citation needed}} (November 2025, February 2026), Weasel-worded phrases (February 2026) |
| Colón, Costa Rica | Unknown | Stub | 1 | September 2012 | Unsourced passages need footnotes {{citation needed}} (September 2012) |
| Conservation International Costa Rica | Unknown | 1 | February 2026 | Factual verification needed (February 2026) | |
| Constitutional Congress of Costa Rica | Unknown | Start | 1 | July 2019 | Unsourced passages need footnotes {{citation needed}} (July 2019) |
| Consuelo Reyes-Calderón | Mid | C | 3 | July 2017 | Unsourced passages need footnotes {{citation needed}} (July 2017), Cites unreliable sources (July 2017), CS1 errors: periodical ignored |
| Contraloría General de la República de Costa Rica | Unknown | Stub | 1 | Coordinates needed | |
| Coral Herrera (BLP) | Unknown | Start | 1 | April 2020 | Orphaned (April 2020) |
| Corcovado National Park | Low | Start | 2 | May 2022 | Unsourced passages need footnotes {{citation needed}} (May 2022), External link cleanup {{external links}} (March 2024) |
| Cordillera de Talamanca | Low | Start | 1 | March 2011 | Unsourced passages need footnotes {{More citations needed}} (March 2011) |
| Corobicí River | Low | Stub | 1 | Coordinates needed | |
| Correque | Low | Start | 2 | September 2019 | Unsourced passages need footnotes {{citation needed}} (September 2019), CS1 errors: ISBN date |
| Corythalia | Low | Stub | 1 | December 2025 | Potentially dated statements (December 2025) |
| Costa Rica | Top | B | 6 | June 2009 | Unsourced passages need footnotes {{citation needed}} (June 2009, February 2022, October 2024), Cites unreliable sources (February 2011), Incomplete citations (October 2018), Clarification needed (October 2024) |
| Costa Rica Country Day School | Unknown | 2 | February 2022 | Notability unclear (February 2022), Unsourced passages need footnotes {{More citations needed}} (February 2022) | |
| Costa Rica and the United Nations | Unknown | Start | 1 | May 2016 | Unsourced passages need footnotes {{More citations needed}} (May 2016) |
| Costa Rica and the World Bank | Low | Start | 2 | January 2019 | Unsourced passages need footnotes {{More citations needed}} (January 2019), Update needed (June 2025) |
| Costa Rica at the 1996 Summer Olympics | Low | Stub | 1 | November 2018 | Has general references but lacks inline footnotes (November 2018) |
| Costa Rica at the 2004 Summer Olympics | Low | Start | 1 | February 2026 | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Costa Rica at the 2011 Pan American Games | Mid | Start | 2 | January 2025 | Dead external links {{dead link}} (January 2025), Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Costa Rica at the 2011 World Aquatics Championships | Low | Stub | 1 | December 2016 | Dead external links {{dead link}} (December 2016) |
| Costa Rica at the 2015 World Aquatics Championships | Low | Start | 1 | December 2023 | Dead external links {{dead link}} (December 2023) |
| Costa Rica at the 2017 Summer Universiade | Low | Start | 1 | December 2023 | Dead external links {{dead link}} (December 2023) |
| Costa Rica at the Pan American Games | Unknown | Stub | 1 | November 2024 | Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Costa Rica men's national handball team | Low | Stub | 1 | March 2024 | Cites no sources (March 2024) |
| Costa Rica national beach soccer team | Unknown | 1 | September 2019 | Expansion needed (September 2019) | |
| Costa Rica national football team | Low | Start | 2 | May 2020 | Unsourced passages need footnotes {{citation needed}} (May 2020, May 2024) |
| Costa Rica women's national football team | Low | Start | 1 | October 2020 | Expansion needed (October 2020) |
| Costa Rican Central Valley | Low | Start | 1 | September 2023 | Unsourced passages need footnotes {{More citations needed}} (September 2023) |
| Costa Rican Civil Guard | High | Start | 2 | February 2021 | Unsourced passages need footnotes {{citation needed}} (February 2021), Unsourced passages need footnotes {{More citations needed}} (February 2021) |
| Costa Rican Civil War | Top | Start | 2 | June 2010 | Unsourced passages need footnotes {{citation needed}} (June 2010, June 2024) |
| Costa Rican Constitution of 1844 | Unknown | 1 | CS1 errors: ISBN date | ||
| Costa Rican Constitution of 1847 | Low | Start | 1 | CS1 errors: ISBN date | |
| Costa Rican Constitution of 1859 | Low | C | 2 | CS1 errors: periodical ignored, CS1 errors: ISBN date | |
| Costa Rican Constitution of 1869 | Unknown | B | 2 | CS1 errors: periodical ignored, CS1 errors: ISBN date | |
| Costa Rican Evangelical Presbyterian Church | Low | Stub | 1 | Coordinates needed | |
| Costa Rican Lutheran Church | Low | Stub | 1 | May 2021 | Notability unclear (May 2021) |
| Costa Rican National Road Race Championships | Low | List | 1 | September 2025 | Dead external links {{dead link}} (September 2025) |
| Costa Rican People's Party | Low | Stub | 2 | December 2009 | Unsourced passages need footnotes {{More citations needed}} (December 2009), Unsourced passages need footnotes {{citation needed}} (August 2023) |
| Costa Rican Spanish | Unknown | Start | 1 | December 2021 | Unsourced passages need footnotes {{citation needed}} (December 2021) |
| Costa Rican Women's Premier Division | Unknown | Start | 1 | March 2021 | Update needed (March 2021) |
| Costa Rican cuisine | Mid | C | 1 | August 2023 | Unsourced passages need footnotes {{citation needed}} (August 2023) |
| Costa Rican jade tradition | Low | Start | 1 | March 2014 | Has general references but lacks inline footnotes (March 2014) |
| Costa Rican páramo | Unknown | Start | 1 | Coordinates needed | |
| Costa Ricans | Top | C | 1 | 2019 | Potentially dated statements (2019) |
| Costa Rica–Germany relations | Low | Start | 1 | January 2026 | Unsourced passages need footnotes {{citation needed}} (January 2026) |
| Costa Rica–Israel relations | Low | Start | 2 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025), Link rot cleanup (July 2025) |
| Costa Rica–Nicaragua San Juan River border dispute | Mid | Start | 3 | November 2010 | Unsourced passages need footnotes {{citation needed}} (November 2010), Unsourced passages need footnotes {{More citations needed}} (November 2010), Dead external links {{dead link}} (December 2016) |
| Costa Rica–Nicaragua border | Low | Start | 1 | Coordinates needed | |
| Costa Rica–Panama border | Unknown | Start | 1 | Coordinates needed | |
| Costa Rica–Panama relations | Low | Stub | 1 | March 2025 | Expansion needed (March 2025) |
| Costa Rica–Turkey relations | Low | Start | 1 | November 2021 | Unsourced passages need footnotes {{More citations needed}} (November 2021) |
| Costa Rica–United Kingdom relations | Low | Start | 1 | December 2024 | Unsourced passages need footnotes {{citation needed}} (December 2024) |
| Costa Rica–United States relations | Unknown | C | 1 | CS1 errors: periodical ignored | |
| Costarrican Ochomogo economic miracle | Low | Start | 1 | April 2024 | Unsourced passages need footnotes {{More citations needed}} (April 2024) |
| Coto Brus River | Low | Stub | 1 | Coordinates needed | |
| Cristel Gomez Espinoza (BLP) | Low | C | 1 | October 2025 | Orphaned (October 2025) |
| Cristel Sandí (BLP) | Unknown | Stub | 1 | March 2025 | Dead external links {{dead link}} (March 2025) |
| Cristhian Lagos (BLP) | Unknown | Stub | 1 | July 2022 | Unsourced passages need footnotes {{citation needed}} (July 2022) |
| Cromarcha stroudagnesia | Low | Stub | 1 | CS1 errors: missing periodical | |
| Ctenosaura quinquecarinata | Low | Start | 1 | June 2025 | Unsourced passages need footnotes {{citation needed}} (June 2025) |
| Ctenosaura similis | Low | B | 2 | March 2024 | Unsourced passages need footnotes {{citation needed}} (March 2024, June 2025) |
| Cultural Properties of Costa Rica | Unknown | List | 1 | Coordinates needed | |
| Culture of Costa Rica | Top | Start | 4 | September 2009 | Unsourced passages need footnotes {{citation needed}} (September 2009, December 2009), Potentially dated statements (2012), Cites unreliable sources (May 2019) |
| Curi Cancha Wildlife Refuge | Low | Stub | 1 | July 2020 | Dead external links {{dead link}} (July 2020) |
| Curicaberis | Low | Stub | 1 | October 2019 | Potentially dated statements (October 2019) |
| Cyclosternum | Low | Stub | 1 | July 2022 | Potentially dated statements (July 2022) |
| Cylistella | Low | Stub | 1 | June 2019 | Potentially dated statements (June 2019) |
| Cyrtodesmus depressus | Low | Start | 1 | CS1 errors: missing periodical | |
| Cyrtognatha | Low | Stub | 1 | October 2019 | Potentially dated statements (October 2019) |
| César Valverde Vega | Unknown | Stub | 1 | October 2019 | Unsourced passages need footnotes {{More citations needed}} (October 2019) |
| DHL de Guatemala Flight 7216 | Low | Start | 2 | August 2025 | Unsourced passages need footnotes {{citation needed}} (August 2025), Unsourced passages need footnotes {{More citations needed}} (August 2025) |
| Damian Rivera (BLP) | Low | Start | 1 | July 2025 | Dead external links {{dead link}} (July 2025) |
| Dancing with the Stars (Costa Rican TV series) | Low | C | 1 | July 2025 | Dead external links {{dead link}} (July 2025) |
| Daniel Cambronero (BLP) | Unknown | Stub | 2 | February 2023 | Dead external links {{dead link}} (February 2023), Unsourced passages need footnotes {{citation needed}} (April 2025) |
| Daniel Oduber Quirós | High | Stub | 1 | CS1 errors: missing periodical | |
| Daniel Vallejos (BLP) | Low | Stub | 2 | July 2012 | Unsourced passages need footnotes {{citation needed}} (July 2012), BLP articles lacking sources (July 2012) |
| Danilo Montero (BLP) | Low | Stub | 1 | April 2019 | Unsourced passages need footnotes {{citation needed}} (April 2019) |
| Danny Carvajal (BLP) | Low | Start | 1 | November 2019 | Dead external links {{dead link}} (November 2019) |
| Dantas Hill Private Wildlife Refuge | Unknown | Stub | 1 | January 2024 | Dead external links {{dead link}} (January 2024) |
| David Myrie (BLP) | Low | Start | 1 | December 2016 | Dead external links {{dead link}} (December 2016) |
| David Strecker (BLP) | Low | C | 1 | September 2022 | Orphaned (September 2022) |
| Dayron Sánchez (BLP) | Unknown | Stub | 2 | December 2020 | Notability unclear (December 2020), Orphaned (March 2021) |
| Debi Nova (BLP) | Unknown | C | 1 | December 2024 | Unsourced passages need footnotes {{citation needed}} (December 2024) |
| Decaphora | Low | Stub | 1 | September 2019 | Potentially dated statements (September 2019) |
| Deforestation in Costa Rica | Mid | C | 1 | CS1 errors: missing title | |
| Democratic Force (Costa Rica) | Mid | Stub | 1 | October 2015 | Unsourced passages need footnotes {{More citations needed}} (October 2015) |
| Democratic Party (Costa Rica) | Unknown | Stub | 1 | March 2016 | Unsourced passages need footnotes {{More citations needed}} (March 2016) |
| Demographics of Costa Rica | Top | Start | 1 | May 2025 | Unsourced passages need footnotes {{citation needed}} (May 2025) |
| Denis Hamlett (BLP) | Unknown | Start | 1 | July 2019 | Dead external links {{dead link}} (July 2019) |
| Deportivo Saprissa | Unknown | Start | 4 | September 2008 | Unsourced passages need footnotes {{More citations needed}} (September 2008, June 2015), Clarification needed (May 2021), Pages with broken anchors (see article talk page, remove when fixed) |
| Diario Extra (Costa Rica) | Low | Stub | 3 | February 2017 | Unsourced passages need footnotes {{citation needed}} (February 2017), Original research (February 2017), Unsourced passages need footnotes {{More citations needed}} (March 2023) |
| Dictatorship of the Tinoco brothers | Unknown | C | 2 | November 2019 | Dead external links {{dead link}} (November 2019), CS1 errors: periodical ignored |
| Diocese of Cartago in Costa Rica | Unknown | Stub | 1 | 2014 | Potentially dated statements (2014) |
| Directorate General of Civil Aviation (Costa Rica) | Mid | Stub | 1 | April 2024 | Potentially dated statements (April 2024) |
| Donald De La Haye (BLP) | Low | Start | 1 | August 2023 | Dead external links {{dead link}} (August 2023) |
| Donny Grant (BLP) | Unknown | Stub | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| EARTH University | Low | Start | 1 | April 2012 | Unsourced passages need footnotes {{More citations needed}} (April 2012) |
| Eastern Huetar Kingdom | Unknown | Stub | 1 | CS1 errors: periodical ignored | |
| Economy of Costa Rica | Top | Start | 2 | July 2025 | CS1 errors: generic name, Dead external links {{dead link}} (July 2025) |
| Ecotourism in Costa Rica | Low | C | 1 | CS1 errors: generic name | |
| Edder Nelson (BLP) | Unknown | Stub | 1 | August 2019 | Dead external links {{dead link}} (August 2019) |
| Edificio Correos | Low | Start | 1 | Coordinates needed | |
| Edificio Herdocia | Low | Start | 1 | April 2015 | Unsourced passages need footnotes {{More citations needed}} (April 2015) |
| Eduardo Doryan (BLP) | Unknown | Start | 1 | November 2024 | BLP articles lacking sources (November 2024) |
| Eduardo Ulibarri (BLP) | Unknown | Start | 2 | September 2018 | BLP articles lacking sources (September 2018), Factual verification needed (September 2018) |
| El Cielo Rojo | Low | Stub | 1 | August 2021 | Has general references but lacks inline footnotes (August 2021) |
| El Diquís Hydroelectric Project | Low | Start | 2 | September 2012 | Unsourced passages need footnotes {{citation needed}} (September 2012, January 2022) |
| El Familión Nestlé | Low | Stub | 1 | June 2025 | Unsourced passages need footnotes {{More citations needed}} (June 2025) |
| El General, Pérez Zeledón | Low | Stub | 1 | October 2020 | Unsourced passages need footnotes {{citation needed}} (October 2020) |
| El Pedregal archeological site | Unknown | Start | 1 | December 2025 | Orphaned (December 2025) |
| El Psicópata | Mid | Stub | 3 | August 2018 | Unsourced passages need footnotes {{More citations needed}} (August 2018), Rewrite needed (October 2018), Dead external links {{dead link}} (February 2024) |
| Eladio Rosabal Cordero Stadium (1949) | Low | Stub | 2 | November 2023 | Expansion needed (November 2023), Obsolete information (November 2023) |
| Elena Gallegos Rosales | Mid | C | 1 | March 2024 | Dead external links {{dead link}} (March 2024) |
| Elian Morales (BLP) | Low | Start | 2 | March 2021 | Orphaned (March 2021), Dead external links {{dead link}} (September 2025) |
| Emil Martínez (BLP) | Low | Stub | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Emma Gamboa Alvarado | Unknown | C | 3 | May 2016 | Vague or ambiguous geographic scope (May 2016), Unsourced passages need footnotes {{More citations needed}} (May 2016), Dead external links {{dead link}} (December 2025) |
| En el Jardín del Corazón | Low | Stub | 1 | November 2024 | Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Enterolobium cyclocarpum | Low | Start | 1 | August 2015 | Unsourced passages need footnotes {{citation needed}} (August 2015) |
| Enyucado | Low | Stub | 1 | August 2017 | Unsourced passages need footnotes {{More citations needed}} (August 2017) |
| Epeirotypus | Low | Stub | 1 | June 2020 | Potentially dated statements (June 2020) |
| Epicadus | Low | Stub | 1 | December 2021 | Potentially dated statements (December 2021) |
| Episinus | Low | Start | 1 | October 2025 | Potentially dated statements (October 2025) |
| Epsy Campbell Barr (BLP) | Mid | C | 1 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024) |
| Erick Lonnis (BLP) | Low | Stub | 1 | February 2026 | Dead external links {{dead link}} (February 2026) |
| Ernesto Fonseca (BLP) | Low | Start | 1 | April 2022 | Unsourced passages need footnotes {{citation needed}} (April 2022) |
| Erythrolamprus bizona | Low | Stub | 1 | May 2013 | Has general references but lacks inline footnotes (May 2013) |
| Escats | Unknown | Stub | 2 | August 2019 | Dead external links {{dead link}} (August 2019), Unsourced passages need footnotes {{More citations needed}} (December 2025) |
| Escazú (canton) | Unknown | Start | 1 | December 2023 | Unsourced passages need footnotes {{citation needed}} (December 2023) |
| Escazú (district) | Unknown | Start | 1 | September 2020 | Unsourced passages need footnotes {{citation needed}} (September 2020) |
| Eschweilera longirachis | Low | Stub | 1 | October 2021 | Unsourced passages need footnotes {{More citations needed}} (October 2021) |
| Escuela de Arquitectura de la Universidad de Costa Rica | Unknown | Start | 1 | May 2025 | Has general references but lacks inline footnotes (May 2025) |
| Estadio Ebal Rodríguez | Low | Stub | 1 | November 2010 | Dead external links {{dead link}} (November 2010) |
| Estadio Lito Pérez | Low | Stub | 1 | August 2019 | Dead external links {{dead link}} (August 2019) |
| Esteban Alvarado (BLP) | Low | Start | 1 | August 2015 | Unsourced passages need footnotes {{citation needed}} (August 2015) |
| Esther de Mézerville | Low | Start | 1 | September 2017 | Dead external links {{dead link}} (September 2017) |
| Estrella River (Costa Rica) | Low | Stub | 1 | Coordinates needed | |
| European School of Costa Rica | Unknown | Stub | 1 | March 2022 | Unsourced passages need footnotes {{More citations needed}} (March 2022) |
| Evangelical Lutheran Church of Costa Rica | Low | Stub | 1 | November 2025 | Cites no sources (November 2025) |
| FC Moravia FCM | Unknown | Stub | 1 | June 2022 | Cites no sources (June 2022) |
| Faiditus | Low | Stub | 1 | May 2020 | Potentially dated statements (May 2020) |
| Federal Republic of Central America | Top | B | 1 | CS1 errors: ISBN date | |
| Federico Miranda (BLP) | Low | Stub | 1 | January 2008 | Unsourced passages need footnotes {{citation needed}} (January 2008) |
| Felipe Francisco Molina y Bedoya | Low | Stub | 1 | December 2024 | Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Fernando Baudrit Solera | Mid | Stub | 1 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024) |
| Fernando Contreras Castro (BLP) | Unknown | Stub | 1 | July 2010 | BLP articles lacking sources (July 2010) |
| Fernando Cruz Castro (BLP) | Unknown | Stub | 1 | December 2023 | Update needed (December 2023) |
| Fernando Guzmán Mata | Low | Stub | 1 | May 2023 | Unsourced passages need footnotes {{More citations needed}} (May 2023) |
| Fernando Montero (BLP) | Unknown | Start | 1 | October 2023 | Unsourced passages need footnotes {{citation needed}} (October 2023) |
| Fernando Sánchez Campos (BLP) | Unknown | Start | 3 | February 2010 | Style editing needed (February 2010), BLP articles lacking sources (February 2010), Dead external links {{dead link}} (August 2025) |
| Festival Siembra y Lucha | Unknown | Stub | 2 | June 2014 | Unsourced passages need footnotes {{More citations needed}} (June 2014), Orphaned (November 2022) |
| Field Station La Gamba | Unknown | Start | 1 | January 2011 | Unsourced passages need footnotes {{citation needed}} (January 2011) |
| Fiery-billed aracari | Unknown | Start | 1 | December 2022 | Unsourced passages need footnotes {{citation needed}} (December 2022) |
| Finca 63 | Unknown | Stub | 1 | Coordinates needed | |
| Finca Bellavista | Low | Stub | 1 | 2016 | Potentially dated statements (2016) |
| Finca Sonador | Low | Stub | 1 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Firestone Reserve | Low | Stub | 2 | September 2025 | Coordinates needed, Has general references but lacks inline footnotes (September 2025) |
| First Central American Civil War | Low | C | 1 | September 2025 | Unsourced passages need footnotes {{citation needed}} (September 2025) |
| Flamingo, Costa Rica | Unknown | 1 | December 2018 | Unsourced passages need footnotes {{More citations needed}} (December 2018) | |
| Foreign relations of Costa Rica | Top | Start | 4 | August 2011 | Unsourced passages need footnotes {{citation needed}} (August 2011, September 2024), Weasel-worded phrases (July 2013), Unsourced passages need footnotes {{More citations needed}} (May 2020) |
| Founding Junta of the Second Republic | Low | Stub | 1 | CS1 errors: periodical ignored | |
| Francisco Aguilar Barquero | High | Stub | 1 | September 2021 | Unsourced passages need footnotes {{More citations needed}} (September 2021) |
| Francisco Calvo (BLP) | Unknown | Start | 2 | January 2019 | Unsourced passages need footnotes {{citation needed}} (January 2019), Dead external links {{dead link}} (December 2019) |
| Francisco Dall'Anese (BLP) | Unknown | Stub | 1 | March 2012 | Update needed (March 2012) |
| Francisco Hernández Basante (BLP) | Low | Stub | 2 | November 2021 | Notability unclear (November 2021), Orphaned (September 2023) |
| Francisco Montealegre Fernández | Unknown | Stub | 1 | March 2024 | Unsourced passages need footnotes {{citation needed}} (March 2024) |
| Francisco Morazán | High | C | 3 | December 2017 | Dead external links {{dead link}} (December 2017), Cites unreliable sources (December 2017), Pages with broken anchors (see article talk page, remove when fixed) |
| Francisco Orlich Bolmarcich | High | Start | 2 | September 2014 | Unsourced passages need footnotes {{More citations needed}} (September 2014), Unsourced passages need footnotes {{citation needed}} (June 2024) |
| Free Costa Rica Movement | Unknown | C | 1 | May 2022 | Unsourced passages need footnotes {{More citations needed}} (May 2022) |
| Freemasonry in Costa Rica | Unknown | 1 | CS1 errors: missing periodical | ||
| Frío River (Costa Rica) | Low | Stub | 1 | Articles using infobox body of water without alt | |
| Fuchsia fulgens | Low | Stub | 1 | January 2017 | Unsourced passages need footnotes {{citation needed}} (January 2017) |
| Fundamental Law of the State of Costa Rica | Unknown | 1 | CS1 errors: URL | ||
| Félix Montoya (BLP) | Unknown | Stub | 1 | May 2024 | Dead external links {{dead link}} (May 2024) |
| Gandhi (Costa Rican band) | Low | Stub | 1 | October 2023 | Unsourced passages need footnotes {{More citations needed}} (October 2023) |
| Garabito Empire | Unknown | Start | 1 | CS1 errors: periodical ignored | |
| General River | Low | Stub | 1 | Coordinates needed | |
| Geoffroy's spider monkey | Low | GA | 1 | CS1 errors: archive-url | |
| Geology of Costa Rica | Unknown | Start | 1 | November 2018 | Unsourced passages need footnotes {{citation needed}} (November 2018) |
| Gerald Drummond (BLP) | Low | Stub | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Gerardo Gómez Ramírez | Low | Stub | 1 | December 2024 | Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Gerardo Solano | Unknown | Stub | 1 | January 2017 | Dead external links {{dead link}} (January 2017) |
| Gerónima Montealegre | Unknown | Stub | 1 | May 2010 | Has general references but lacks inline footnotes (May 2010) |
| Gilberth González | Low | Stub | 1 | October 2025 | Unsourced passages need footnotes {{More citations needed}} (October 2025) |
| Giovanni Clunie (BLP) | Unknown | Stub | 1 | November 2025 | Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Glenognatha | Low | Start | 1 | October 2025 | Potentially dated statements (October 2025) |
| Golfo Dulce, Costa Rica | Low | Start | 2 | August 2025 | Articles using infobox body of water without pushpin map alt, Unsourced passages need footnotes {{citation needed}} (August 2025) |
| Gonzalo Facio Segreda | Unknown | Stub | 1 | April 2023 | Unsourced passages need footnotes {{citation needed}} (April 2023) |
| Grecia (canton) | Unknown | Stub | 1 | November 2022 | Unsourced passages need footnotes {{citation needed}} (November 2022) |
| Grecia, Costa Rica | Low | Stub | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| Green and black poison dart frog | Low | Start | 1 | December 2023 | Unsourced passages need footnotes {{citation needed}} (December 2023) |
| Green iguana | Low | GA | 2 | July 2022 | Cites unreliable sources (July 2022, January 2023) |
| Green sea turtle | Low | B | 4 | June 2020 | Potentially dated statements (June 2020), CS1 errors: periodical ignored, Dead external links {{dead link}} (June 2024), CS1 errors: ISBN date |
| Gregorio José Ramírez | Low | Start | 1 | September 2021 | Has general references but lacks inline footnotes (September 2021) |
| Guanacaste Airport | Unknown | C | 1 | May 2025 | Unsourced passages need footnotes {{citation needed}} (May 2025) |
| Guanacaste National Park (Costa Rica) | Low | Stub | 2 | February 2013 | Unsourced passages need footnotes {{More citations needed}} (February 2013), Unsourced passages need footnotes {{citation needed}} (December 2013) |
| Guanacaste Province | High | Start | 2 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018, July 2022) |
| Guillermo Vargas (BLP) | Unknown | C | 1 | October 2017 | Dead external links {{dead link}} (October 2017) |
| Gulf of Papagayo | Low | Stub | 1 | June 2011 | Unsourced passages need footnotes {{citation needed}} (June 2011) |
| Guácimo District | Unknown | Stub | 2 | April 2012 | Unsourced passages need footnotes {{citation needed}} (April 2012), Dead external links {{dead link}} (October 2017) |
| Hansell Arauz (BLP) | Unknown | Start | 2 | October 2017 | Dead external links {{dead link}} (October 2017, August 2025) |
| Harald Nestroy (BLP) | Low | Stub | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Hawksbill sea turtle | Low | B | 2 | May 2017 | Dead external links {{dead link}} (May 2017), CS1 errors: archive-url |
| Healthcare in Costa Rica | Top | Start | 1 | January 2021 | Unsourced passages need footnotes {{citation needed}} (January 2021) |
| Heredia, Costa Rica | Mid | Start | 1 | January 2019 | Unsourced passages need footnotes {{citation needed}} (January 2019) |
| Heriberto Rojas (BLP) | Low | Stub | 1 | March 2009 | BLP articles lacking sources (March 2009) |
| Hernán Medford (BLP) | Low | Start | 2 | January 2025 | Unsourced passages need footnotes {{citation needed}} (January 2025), Dead external links {{dead link}} (December 2025) |
| Highland tinamou | Unknown | Stub | 1 | January 2026 | Dead external links {{dead link}} (January 2026) |
| Hilda Hidalgo (BLP) | Unknown | Start | 2 | February 2024 | Cleanup needed (February 2024, February 2024) |
| History of Central America | High | Start | 3 | December 2021 | Unsourced passages need footnotes {{More citations needed}} (December 2021), Expansion needed (December 2021), CS1 errors: periodical ignored |
| History of Costa Rica | Top | Start | 2 | January 2016 | Disputed statements (January 2016), CS1 errors: generic name |
| History of Deportivo Saprissa | Unknown | Start | 1 | April 2024 | Unsourced passages need footnotes {{More citations needed}} (April 2024) |
| History of the Costa Rican legislature | Mid | C | 1 | CS1 errors: missing periodical | |
| Hoffmann's two-toed sloth | Low | C | 1 | August 2011 | Unsourced passages need footnotes {{citation needed}} (August 2011) |
| Homalometa | Low | Stub | 1 | October 2019 | Potentially dated statements (October 2019) |
| Homeland First Party | Mid | Stub | 1 | December 2009 | Unsourced passages need footnotes {{More citations needed}} (December 2009) |
| Hospital CIMA | Unknown | Stub | 1 | April 2017 | Notability unclear (April 2017) |
| Hospital Dr. Tony Facio Castro | Mid | C | 2 | November 2017 | Dead external links {{dead link}} (November 2017, October 2020) |
| Hospital Nacional Psiquiátrico | Unknown | Stub | 1 | June 2014 | Notability unclear (June 2014) |
| Hospital Nacional de Niños | Low | Stub | 1 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Huetar language | Low | Stub | 1 | May 2024 | Unsourced passages need footnotes {{More citations needed}} (May 2024) |
| Hugo Sánchez Bonilla (BLP) | Low | Stub | 1 | May 2011 | BLP articles lacking sources (May 2011) |
| Hurricane Eta | Low | C | 2 | November 2020 | Update needed (November 2020, December 2023) |
| Hurricane Iota | Low | C | 2 | February 2021 | Dead external links {{dead link}} (February 2021, August 2024) |
| Hurricane children | Mid | C | 2 | August 2019 | Has general references but lacks inline footnotes (August 2019), Notability unclear (August 2019) |
| Hyalinobatrachium dianae | Low | Start | 1 | May 2020 | Unsourced passages need footnotes {{citation needed}} (May 2020) |
| ICARI Spanish School | Low | Stub | 4 | August 2010 | Coordinates needed, Conflict of interest (August 2010), Orphaned (September 2023), Notability unclear (August 2025) |
| INCAE Business School | Low | Start | 2 | July 2014 | Unsourced passages need footnotes {{More citations needed}} (July 2014), Dead external links {{dead link}} (July 2025) |
| Identity Card (Costa Rica) | Unknown | Stub | 1 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020) |
| Iglesia de San Francisco de Asis | Low | Stub | 1 | Coordinates needed | |
| Iglesia de la Agonía | Low | Stub | 1 | April 2017 | Notability unclear (April 2017) |
| Iglesia de la Inmaculada | Low | Start | 1 | April 2019 | Has general references but lacks inline footnotes (April 2019) |
| Ignacio Trejos Picado | Low | Start | 2 | January 2026 | Unsourced passages need footnotes {{citation needed}} (January 2026), BLP articles lacking sources (January 2026) |
| Iguanita Wildlife Refuge | Low | Start | 5 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018, December 2022, January 2023), Has general references but lacks inline footnotes (December 2018), Promotional tone (December 2018) |
| Immigration to Costa Rica | Low | Start | 3 | March 2018 | Unsourced passages need footnotes {{citation needed}} (March 2018, October 2021), CS1 errors: missing periodical |
| Independent Guanacaste Party | Mid | Stub | 1 | January 2018 | Dead external links {{dead link}} (January 2018) |
| Indigenous peoples of Costa Rica | High | C | 2 | April 2021 | Clarification needed (April 2021), CS1 errors: generic name |
| Inga stenophylla | Low | Stub | 1 | August 2024 | Has general references but lacks inline footnotes (August 2024) |
| Ingrid Morales (BLP) | Low | Stub | 1 | CS1 errors: archive-url | |
| International rankings of Costa Rica | High | List | 2 | October 2018 | Dead external links {{dead link}} (October 2018), CS1 errors: generic name |
| Irazú Volcano | Low | Start | 2 | February 2010 | Unsourced passages need footnotes {{More citations needed}} (February 2010), Clarification needed (December 2013) |
| Irazú Volcano National Park | Low | Stub | 1 | November 2021 | Has general references but lacks inline footnotes (November 2021) |
| Irma (steamship) | Low | Stub | 1 | September 2024 | Dead external links {{dead link}} (September 2024) |
| Isaias Gamboa (music producer) (BLP) | Unknown | Start | 1 | April 2024 | Cites unreliable sources (April 2024) |
| Isaías D'Oleo Ochoa (BLP) | Low | Start | 2 | November 2017 | Dead external links {{dead link}} (November 2017, November 2018) |
| Italian Costa Ricans | Low | Stub | 1 | January 2026 | Dead external links {{dead link}} (January 2026) |
| Iván Vargas Blanco (BLP) | Unknown | C | 3 | September 2019 | Orphaned (September 2019), Dead external links {{dead link}} (September 2024, February 2026) |
| Jafet Soto (BLP) | Low | Start | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Jairo Mora Sandoval Gandoca-Manzanillo Mixed Wildlife Refuge | Unknown | Stub | 1 | CS1 errors: missing periodical | |
| Jannya brevitarsus | Low | Stub | 1 | December 2024 | Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Javier Masís (BLP) | Low | Stub | 1 | November 2025 | Dead external links {{dead link}} (November 2025) |
| Javier Tebas (BLP) | Low | Start | 1 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Jay Chris (BLP) | Low | Start | 1 | December 2017 | Orphaned (December 2017) |
| Jens Hoffmann (BLP) | Low | Start | 2 | January 2018 | BLP articles lacking sources (January 2018), Unsourced passages need footnotes {{citation needed}} (December 2018) |
| Jesús Jiménez Zamora | High | Stub | 1 | October 2023 | Unsourced passages need footnotes {{More citations needed}} (October 2023) |
| Jesús de Santa Bárbara | Mid | C | 1 | March 2023 | Dead external links {{dead link}} (March 2023) |
| Jeyland Mitchell (BLP) | Low | Start | 1 | Reference errors | |
| Jiménez River | Low | Stub | 1 | Coordinates needed | |
| Joao Johanning (BLP) | Low | Stub | 1 | January 2021 | BLP articles lacking sources (January 2021) |
| Joaquín García Monge | Low | Stub | 1 | November 2025 | Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Joaquín Gutiérrez | High | B | 2 | July 2014 | Unsourced passages need footnotes {{citation needed}} (July 2014, August 2014) |
| Joel Campbell (BLP) | Low | C | 1 | February 2020 | Dead external links {{dead link}} (February 2020) |
| John Paul Fauves (BLP) | Unknown | Start | 3 | September 2018 | Orphaned (September 2018), Unsourced passages need footnotes {{More citations needed}} (September 2018), Categories needed (December 2023) |
| Johnny Araya Monge (BLP) | Unknown | Stub | 3 | November 2017 | Dead external links {{dead link}} (November 2017, March 2020), Obsolete information (July 2024) |
| Joint Social Welfare Institute | Unknown | Stub | 2 | June 2025 | Unsourced passages need footnotes {{citation needed}} (June 2025), Unsourced passages need footnotes {{More citations needed}} (June 2025) |
| Jonathan McDonald (BLP) | Unknown | Stub | 2 | April 2017 | Dead external links {{dead link}} (April 2017, November 2017) |
| Jonathan Moya (BLP) | Unknown | C | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Jorge Debravo | Unknown | Start | 1 | April 2023 | Dead external links {{dead link}} (April 2023) |
| Jorge Gallardo | Unknown | Stub | 1 | CS1 errors: generic name | |
| Jorge Hine Saborío | Low | Stub | 1 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024) |
| Jorge Oller (BLP) | Low | Start | 1 | August 2024 | Orphaned (August 2024) |
| Jorge Volio Jiménez | Low | Start | 1 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024) |
| Joselyn Chacón | Unknown | C | 1 | September 2025 | Categories needed (September 2025) |
| Joseph Mora (BLP) | Low | Start | 1 | December 2024 | Dead external links {{dead link}} (December 2024) |
| Josiah Crosby (diplomat) | Low | Stub | 1 | November 2022 | Unsourced passages need footnotes {{citation needed}} (November 2022) |
| Josué Abarca (BLP) | Unknown | Stub | 1 | January 2021 | Notability unclear (January 2021) |
| José Adrián Bonilla (BLP) | Unknown | Stub | 1 | December 2017 | Dead external links {{dead link}} (December 2017) |
| José Andrés Coronado Alvarado | Unknown | Stub | 1 | December 2024 | Unsourced passages need footnotes {{citation needed}} (December 2024) |
| José Antonio Lacayo de Briones y Palacios | Unknown | Start | 1 | September 2015 | Unsourced passages need footnotes {{More citations needed}} (September 2015) |
| José Figueres Ferrer | Top | C | 2 | April 2022 | Page number citations needed (April 2022), Weasel-worded phrases (April 2022) |
| José León Sánchez | Unknown | Stub | 1 | May 2011 | Unsourced passages need footnotes {{More citations needed}} (May 2011) |
| José Macotelo (BLP) | Unknown | Stub | 1 | December 2017 | Dead external links {{dead link}} (December 2017) |
| José Manuel Rojas (footballer, born 1952) (BLP) | Low | Stub | 1 | March 2009 | BLP articles lacking sources (March 2009) |
| José María Figueres (BLP) | High | Start | 2 | September 2011 | Unsourced passages need footnotes {{citation needed}} (September 2011, February 2012) |
| José María Figueroa Oreamuno | Unknown | Start | 2 | June 2025 | Categories needed (June 2025), Unsourced passages need footnotes {{More citations needed}} (June 2025) |
| José María de Peralta | Low | Stub | 1 | January 2019 | Unsourced passages need footnotes {{citation needed}} (January 2019) |
| José Marín Cañas | Unknown | Stub | 1 | November 2024 | Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Juan Bautista Quirós Segura | High | Start | 1 | March 2009 | Unsourced passages need footnotes {{More citations needed}} (March 2009) |
| Juan Diego Castro Fernández (BLP) | Mid | Start | 1 | April 2023 | Dead external links {{dead link}} (April 2023) |
| Juan Ignacio Alfaro (BLP) | Unknown | Start | 2 | December 2020 | Notability unclear (December 2020), Orphaned (February 2021) |
| Juan Rafael Mora Porras | High | Start | 1 | June 2025 | Unsourced passages need footnotes {{citation needed}} (June 2025) |
| Juan Santamaría | Unknown | Start | 1 | April 2011 | Unsourced passages need footnotes {{More citations needed}} (April 2011) |
| Juan Valdez drinks Costa Rican coffee | Low | Start | 1 | April 2017 | Dead external links {{dead link}} (April 2017) |
| Judicial Investigation Department | Low | Stub | 1 | March 2023 | Unsourced passages need footnotes {{More citations needed}} (March 2023) |
| Julieta Dobles (BLP) | Low | Start | 1 | July 2019 | Cites unreliable sources (July 2019) |
| Julio Fonseca (composer) | Unknown | Start | 3 | December 2022 | Cleanup needed (December 2022, December 2022), Has general references but lacks inline footnotes (December 2022) |
| Junta de Administración Portuaria y de Desarrollo Económico de la Vertiente Atlántica de Costa Rica | Low | Stub | 1 | April 2025 | Cites no sources (April 2025) |
| Jurguens Montenegro (BLP) | Low | Start | 1 | September 2023 | Unsourced passages need footnotes {{citation needed}} (September 2023) |
| Justo Orozco (BLP) | Unknown | Start | 1 | February 2020 | Dead external links {{dead link}} (February 2020) |
| Kendall Waston (BLP) | Unknown | Start | 1 | November 2019 | Unsourced passages need footnotes {{citation needed}} (November 2019) |
| Kevin Briceño (BLP) | Low | Start | 1 | May 2025 | Dead external links {{dead link}} (May 2025) |
| Key Largo (bar) | Unknown | 1 | Coordinates needed | ||
| Keylor Navas (BLP) | Low | C | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Kids Saving the Rainforest | Low | Start | 1 | January 2026 | Dead external links {{dead link}} (January 2026) |
| King vulture | Mid | FA | 2 | October 2023 | Dead external links {{dead link}} (October 2023), CS1 errors: ISBN date |
| LGBTQ rights in Costa Rica | Low | C | 3 | December 2017 | Dead external links {{dead link}} (December 2017, June 2024), Unsourced passages need footnotes {{More citations needed}} (October 2024) |
| La Amistad International Park | Low | C | 2 | May 2021 | Unsourced passages need footnotes {{citation needed}} (May 2021, April 2025) |
| La Casona, Puntarenas | Low | Stub | 1 | January 2017 | Orphaned (January 2017) |
| La Fortuna Arenal Airport | Unknown | 1 | September 2025 | Dead external links {{dead link}} (September 2025) | |
| La Gamba | Low | Stub | 3 | August 2009 | Style editing needed (August 2009), Unsourced passages need footnotes {{citation needed}} (September 2009), Has general references but lacks inline footnotes (October 2011) |
| La Nación (Costa Rica) | Low | Start | 2 | August 2013 | Unsourced passages need footnotes {{citation needed}} (August 2013), Cites no sources (April 2023) |
| La Paz Waterfall (Costa Rica) | Low | Stub | 1 | June 2016 | Unsourced passages need footnotes {{More citations needed}} (June 2016) |
| La Suerte Biological Field School | Unknown | Start | 2 | May 2023 | Promotional tone (May 2023), Has general references but lacks inline footnotes (May 2023) |
| Laguna Poco Sol | Low | Start | 1 | Articles using infobox body of water without pushpin map alt | |
| Lake Arenal | Low | Start | 4 | March 2025 | Articles using infobox body of water without alt, Articles using infobox body of water without pushpin map alt, Unsourced passages need footnotes {{citation needed}} (March 2025, May 2025) |
| Lake Bonilla | Low | Start | 2 | July 2025 | Articles using infobox body of water without pushpin map alt, Dead external links {{dead link}} (July 2025) |
| Lake Bonillita | Low | Start | 2 | July 2025 | Articles using infobox body of water without pushpin map alt, Dead external links {{dead link}} (July 2025) |
| Lake Bosque Alegre | Low | Stub | 1 | Articles using infobox body of water without pushpin map alt | |
| Lake Botos | Low | Start | 2 | Articles using infobox body of water without alt, Articles using infobox body of water without pushpin map alt | |
| Lake Cachí | Unknown | Start | 2 | Articles using infobox body of water without alt, Articles using infobox body of water without pushpin map alt | |
| Lake Congo | Low | Start | 1 | Articles using infobox body of water without pushpin map alt | |
| Lake Cote | Unknown | Stub | 1 | Articles using infobox body of water without pushpin map alt | |
| Lake Hule | Unknown | Stub | 3 | July 2025 | Articles using infobox body of water without alt, Articles using infobox body of water without pushpin map alt, Dead external links {{dead link}} (July 2025) |
| Lake Lancaster Abajo | Low | Stub | 1 | Articles using infobox body of water without pushpin map alt | |
| Lake Lancaster Arriba | Low | Stub | 1 | Articles using infobox body of water without pushpin map alt | |
| Lake Pozo Verde | Low | Stub | 1 | Articles using infobox body of water without pushpin map alt | |
| Lake Río Cuarto | Unknown | Stub | 1 | Articles using infobox body of water without pushpin map alt | |
| Languages of Costa Rica | High | Stub | 1 | July 2025 | Dead external links {{dead link}} (July 2025) |
| Lari River | Low | Stub | 1 | Coordinates needed | |
| Las Catalinas, Costa Rica | Unknown | Start | 1 | October 2021 | Promotional tone (October 2021) |
| Las Mercedes (archaeological site, Costa Rica) | Unknown | B | 1 | CS1 errors: missing periodical | |
| Lasiodora | Low | Stub | 1 | December 2023 | Potentially dated statements (December 2023) |
| Laura Chinchilla (BLP) | High | C | 3 | September 2022 | Dead external links {{dead link}} (September 2022), Unsourced passages need footnotes {{citation needed}} (September 2023), Failed verification (September 2023) |
| Leda Zamora Chaves (BLP) | Low | Start | 1 | February 2020 | Dead external links {{dead link}} (February 2020) |
| Legislative Assembly of Costa Rica | High | Start | 3 | March 2019 | Coordinates needed, Potentially dated statements (March 2019), Clarification needed (April 2025) |
| Leonora Jiménez (BLP) | Unknown | Start | 1 | February 2008 | BLP articles lacking sources (February 2008) |
| Liberalism in Costa Rica | Unknown | C | 1 | March 2020 | Dead external links {{dead link}} (March 2020) |
| Libertarian Movement (Costa Rica) | Mid | Start | 3 | March 2020 | Dead external links {{dead link}} (March 2020, March 2021), Disputed statements (December 2023) |
| Liga Premier Masculina de Futsal de Costa Rica | Unknown | 2 | July 2019 | Context needed (July 2019), Unsourced passages need footnotes {{More citations needed}} (July 2019) | |
| Lilia González | Unknown | Start | 1 | December 2017 | Dead external links {{dead link}} (December 2017) |
| Lilly de Jongh Osborne | Unknown | Stub | 1 | CS1 errors: ISBN date | |
| Limonese Creole | Unknown | Start | 1 | November 2023 | Unsourced passages need footnotes {{citation needed}} (November 2023) |
| Limón | Mid | Start | 1 | February 2023 | Unsourced passages need footnotes {{citation needed}} (February 2023) |
| Limón Province | High | Start | 1 | November 2025 | Dead external links {{dead link}} (November 2025) |
| List of Costa Rica hurricanes | Mid | B | 1 | CS1 errors: missing periodical | |
| List of Costa Rican films | Unknown | List | 1 | October 2021 | Incomplete lists (October 2021) |
| List of Costa Rican flags | Unknown | List | 1 | November 2019 | Has general references but lacks inline footnotes (November 2019) |
| List of Costa Rican records in swimming | Low | List | 2 | June 2021 | Unsourced passages need footnotes {{citation needed}} (June 2021, October 2024) |
| List of Deportivo Saprissa players | Unknown | List | 1 | July 2024 | Unsourced passages need footnotes {{More citations needed}} (July 2024) |
| List of airports in Costa Rica | Unknown | List | 1 | February 2021 | Dead external links {{dead link}} (February 2021) |
| List of ambassadors of Canada to Costa Rica | Low | List | 1 | June 2023 | Unsourced passages need footnotes {{More citations needed}} (June 2023) |
| List of ambassadors of the United Kingdom to Costa Rica | Low | List | 1 | January 2013 | Incomplete lists (January 2013) |
| List of deputies of Costa Rica, 2018–2022 | Low | List | 1 | October 2015 | Unsourced passages need footnotes {{More citations needed}} (October 2015) |
| List of deputies of Costa Rica, 2022–2026 | Low | List | 1 | November 2023 | Cites unreliable sources (November 2023) |
| List of earthquakes in Costa Rica | Unknown | List | 1 | August 2016 | Incomplete lists (August 2016) |
| List of ecoregions in Costa Rica | Low | List | 1 | September 2013 | Unsourced passages need footnotes {{citation needed}} (September 2013) |
| List of faults in Costa Rica | Unknown | List | 1 | February 2015 | Expansion needed (February 2015) |
| List of football clubs in Costa Rica | Unknown | List | 1 | April 2010 | Has general references but lacks inline footnotes (April 2010) |
| List of heads of state of Costa Rica | High | List | 2 | March 2020 | Has general references but lacks inline footnotes (March 2020), Accuracy disputes or self-published (August 2022) |
| List of hospitals in Costa Rica | Unknown | List | 1 | October 2022 | Incomplete lists (October 2022) |
| List of lakes of Costa Rica | Unknown | List | 2 | October 2020 | CS1 errors: missing periodical, Unsourced passages need footnotes {{citation needed}} (October 2020) |
| List of mammals of Costa Rica | Mid | List | 1 | October 2010 | Dead external links {{dead link}} (October 2010) |
| List of mass media in Costa Rica | High | Stub | 2 | January 2018 | Dead external links {{dead link}} (January 2018), Unsourced passages need footnotes {{citation needed}} (November 2024) |
| List of mayors in Costa Rica | Unknown | List | 1 | April 2021 | Update needed (April 2021) |
| List of museums in Costa Rica | Low | List | 1 | October 2012 | Incomplete lists (October 2012) |
| List of newspapers in Costa Rica | Unknown | List | 1 | August 2008 | Incomplete lists (August 2008) |
| List of presidents of the Supreme Court of Costa Rica | Low | List | 2 | December 2023 | CS1 errors: missing periodical, Update needed (December 2023) |
| List of reptiles of Costa Rica | Low | List | 1 | March 2012 | Incomplete lists (March 2012) |
| Local government in Costa Rica | Unknown | C | 1 | March 2020 | Dead external links {{dead link}} (March 2020) |
| Lonchocarpus calcaratus | Low | Stub | 1 | October 2021 | Unsourced passages need footnotes {{More citations needed}} (October 2021) |
| Long-tailed silky-flycatcher | Low | Start | 1 | CS1 errors: archive-url | |
| Lorena Clare Facio (BLP) | Unknown | Stub | 1 | April 2019 | BLP articles lacking sources (April 2019) |
| Los Legionarios (TV show) | Unknown | Start | 1 | October 2025 | Orphaned (October 2025) |
| Luis Alberto Monge | High | Start | 1 | November 2016 | Unsourced passages need footnotes {{More citations needed}} (November 2016) |
| Luis Cruz Meza | Unknown | Start | 1 | April 2025 | Orphaned (April 2025) |
| Luis Diego Cordero (BLP) | Unknown | Stub | 1 | January 2018 | Dead external links {{dead link}} (January 2018) |
| Luis Guillermo Solís (BLP) | High | C | 2 | November 2020 | Unsourced passages need footnotes {{citation needed}} (November 2020), CS1 errors: generic name |
| Luis Marín (footballer, born 1974) (BLP) | Low | Start | 2 | November 2020 | Unsourced passages need footnotes {{citation needed}} (November 2020), Dead external links {{dead link}} (February 2023) |
| Luis Montalbert-Smith (BLP) | Low | Stub | 1 | May 2010 | BLP articles lacking sources (May 2010) |
| Maleku people | Low | C | 1 | July 2018 | Unsourced passages need footnotes {{citation needed}} (July 2018) |
| Malpais, Costa Rica | Unknown | Stub | 1 | February 2024 | Unsourced passages need footnotes {{citation needed}} (February 2024) |
| Malpaís (group) | Low | Start | 1 | November 2008 | Unsourced passages need footnotes {{citation needed}} (November 2008) |
| Maléku language | Low | Start | 2 | January 2026 | CS1 errors: generic name, Cites unreliable sources (January 2026) |
| Man Yu (BLP) | Unknown | C | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Manuel Antonio National Park | Low | Start | 2 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024), Dead external links {{dead link}} (August 2025) |
| Manuel María Gutiérrez | Low | B | 1 | May 2024 | Categories needed (May 2024) |
| Manuel Mora (politician) | Mid | Stub | 1 | March 2022 | Unsourced passages need footnotes {{More citations needed}} (March 2022) |
| Marcelo Tulbovitz (BLP) | Low | Stub | 1 | November 2009 | BLP articles lacking sources (November 2009) |
| Marco Vargas Díaz | Unknown | Stub | 1 | December 2021 | BLP articles lacking sources (December 2021) |
| Margarita Madrigal | Low | Start | 1 | October 2012 | Has general references but lacks inline footnotes (October 2012) |
| Maria Gonzalez Roesch (BLP) | Low | Start | 2 | December 2018 | Orphaned (December 2018), Cites unreliable sources (July 2020) |
| Mariano Montealegre Bustamante | Low | Stub | 2 | December 2022 | Has general references but lacks inline footnotes (December 2022), Unsourced passages need footnotes {{More citations needed}} (December 2022) |
| Maribel Guardia (BLP) | Low | Start | 2 | October 2022 | BLP articles lacking sources (October 2022, December 2024) |
| Marilyn Batista Márquez (BLP) | Unknown | Start | 1 | July 2021 | BLP articles lacking sources (July 2021) |
| Marimba | Low | C | 3 | August 2018 | Unsourced passages need footnotes {{More citations needed}} (August 2018), Unsourced passages need footnotes {{citation needed}} (April 2022), Dead external links {{dead link}} (September 2023) |
| Martella (spider) | Low | Stub | 1 | June 2019 | Potentially dated statements (June 2019) |
| Marvin Angulo (BLP) | Unknown | Stub | 1 | June 2020 | Unsourced passages need footnotes {{citation needed}} (June 2020) |
| María Elena Carballo (BLP) | Unknown | Stub | 1 | August 2025 | BLP articles lacking sources (August 2025) |
| Matilde Carranza | Unknown | Stub | 2 | June 2017 | Dead external links {{dead link}} (June 2017, November 2018) |
| Matina River | Low | Stub | 1 | Coordinates needed | |
| Maureen Clarke (BLP) | Low | Stub | 1 | March 2020 | Dead external links {{dead link}} (March 2020) |
| Mauricio Alpízar (BLP) | Unknown | Stub | 1 | January 2018 | Dead external links {{dead link}} (January 2018) |
| Mauricio Castillo (BLP) | Low | Stub | 1 | December 2014 | Unsourced passages need footnotes {{citation needed}} (December 2014) |
| Mauricio Solís (BLP) | Low | Start | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Mauro Fernández Acuña | Unknown | Stub | 1 | January 2018 | Dead external links {{dead link}} (January 2018) |
| Max Jiménez | Mid | Stub | 1 | January 2024 | Unsourced passages need footnotes {{More citations needed}} (January 2024) |
| Mayor of San José, Costa Rica | Unknown | Start | 1 | March 2020 | Dead external links {{dead link}} (March 2020) |
| Medea (2017 film) | Low | Stub | 1 | July 2025 | Plot summary needed (July 2025) |
| Megaphobema | Low | Stub | 1 | October 2025 | Potentially dated statements (October 2025) |
| Mekatelyu (band) | Unknown | Stub | 3 | January 2024 | Unsourced passages need footnotes {{More citations needed}} (January 2024), Cites unreliable sources (January 2024), Cites no sources (December 2025) |
| Melanonotus powellorum | Low | Stub | 1 | CS1 errors: periodical ignored | |
| Menemerus | Low | Stub | 1 | October 2025 | Potentially dated statements (October 2025) |
| Merced (district) | Unknown | Start | 1 | November 2018 | Unsourced passages need footnotes {{citation needed}} (November 2018) |
| Mesoamerica | Low | B | 3 | August 2020 | Weasel-worded phrases (August 2020), Page number citations needed (August 2023), CS1 errors: ISBN date |
| Mesoamerican cuisine | Low | Start | 1 | February 2025 | Failed verification (February 2025) |
| Metaphidippus | Low | Stub | 1 | June 2019 | Potentially dated statements (June 2019) |
| Michael Rodríguez (footballer) (BLP) | Low | Start | 1 | January 2018 | Dead external links {{dead link}} (January 2018) |
| Michael Umaña (BLP) | Low | Start | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Michelle J. Wong (BLP) | Unknown | Start | 3 | August 2016 | Notability unclear (August 2016), Unsourced passages need footnotes {{citation needed}} (June 2018), Failed verification (June 2018) |
| Miguel de Bonilla y Laya-Bolívar | Low | Stub | 1 | September 2020 | Unsourced passages need footnotes {{citation needed}} (September 2020) |
| Miguel Ángel Rodríguez (BLP) | High | Start | 3 | September 2010 | Unsourced passages need footnotes {{citation needed}} (September 2010), Dead external links {{dead link}} (December 2017, February 2022) |
| Mining in Costa Rica | Unknown | 2 | May 2025 | Cleanup needed (May 2025), Prose needed (May 2025) | |
| Ministry of Public Works and Transport (Costa Rica) | Low | Stub | 1 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020) |
| Ministry of the Presidency (Costa Rica) | Unknown | Start | 2 | CS1 errors: missing periodical, CS1 errors: periodical ignored | |
| Miss Costa Rica 2009 | Unknown | Start | 3 | October 2017 | Weasel-worded phrases (October 2017), Unsourced passages need footnotes {{citation needed}} (October 2017), Has general references but lacks inline footnotes (May 2020) |
| Moonlight Dub Xperiment | Unknown | 1 | July 2016 | Unsourced passages need footnotes {{More citations needed}} (July 2016) | |
| Municipal Grecia | Unknown | Stub | 1 | June 2017 | Unsourced passages need footnotes {{More citations needed}} (June 2017) |
| Museo de Cultura Popular | Unknown | Stub | 1 | April 2017 | Notability unclear (April 2017) |
| Museum of Contemporary Art and Design | Low | Start | 1 | October 2021 | Unsourced passages need footnotes {{More citations needed}} (October 2021) |
| Music of Costa Rica | High | Start | 1 | January 2023 | Has general references but lacks inline footnotes (January 2023) |
| Mynor Escoe (BLP) | Unknown | Stub | 1 | December 2019 | BLP articles lacking sources (December 2019) |
| Máximo Fernández Alvarado | Low | Stub | 2 | July 2024 | Unsourced passages need footnotes {{More citations needed}} (July 2024), Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Naatlo | Low | Stub | 1 | June 2020 | Potentially dated statements (June 2020) |
| Natasha Aguilar | Unknown | Stub | 1 | January 2025 | Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Nathalia Alfaro (BLP) | Low | Stub | 1 | February 2018 | Dead external links {{dead link}} (February 2018) |
| National Archives of Costa Rica | Low | Start | 2 | November 2021 | Unsourced passages need footnotes {{More citations needed}} (November 2021), Unsourced passages need footnotes {{citation needed}} (November 2021) |
| National Bamboo Project of Costa Rica | Low | Stub | 1 | October 2024 | Unsourced passages need footnotes {{citation needed}} (October 2024) |
| National Liberation Party (Costa Rica) | Mid | Start | 1 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020) |
| National Party (Costa Rica) | Unknown | Start | 2 | April 2019 | Cleanup needed (April 2019, April 2019) |
| National Route 10 (Costa Rica) | Low | Stub | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| National Route 123 (Costa Rica) | Low | Stub | 1 | May 2021 | Unsourced passages need footnotes {{More citations needed}} (May 2021) |
| National Route 14 (Costa Rica) | Low | Stub | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| National Route 17 (Costa Rica) | Low | Stub | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| National Route 18 (Costa Rica) | Low | Stub | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| National Route 21 (Costa Rica) | Low | Stub | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| National Route 220 (Costa Rica) | Low | Stub | 1 | December 2023 | Cites unreliable sources (December 2023) |
| National Route 230 (Costa Rica) | Low | Stub | 1 | June 2024 | Unsourced passages need footnotes {{More citations needed}} (June 2024) |
| National Route 237 (Costa Rica) | Low | Start | 1 | January 2025 | Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| National Route 27 (Costa Rica) | Low | Start | 1 | September 2019 | Unsourced passages need footnotes {{More citations needed}} (September 2019) |
| National Route 3 (Costa Rica) | Low | Stub | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| National Route 6 (Costa Rica) | Low | Stub | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| National Route 700 (Costa Rica) | Low | Stub | 1 | September 2020 | Unsourced passages need footnotes {{More citations needed}} (September 2020) |
| National Route 723 (Costa Rica) | Low | Stub | 1 | December 2023 | Unsourced passages need footnotes {{citation needed}} (December 2023) |
| National Route 749 (Costa Rica) | Low | Stub | 1 | October 2025 | Unsourced passages need footnotes {{More citations needed}} (October 2025) |
| National Route 905 (Costa Rica) | Low | Stub | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| National Technical University (Costa Rica) | Low | Stub | 1 | February 2021 | Cites unreliable sources (February 2021) |
| National Union Party (Costa Rica) | Mid | Stub | 1 | December 2009 | Unsourced passages need footnotes {{More citations needed}} (December 2009) |
| National University of Costa Rica | Mid | Stub | 1 | December 2016 | Unsourced passages need footnotes {{citation needed}} (December 2016) |
| National anthem of Costa Rica | High | C | 1 | CS1 errors: periodical ignored | |
| Nazario Toledo | Unknown | Stub | 1 | December 2024 | Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Nazi Party/Foreign Organization | Low | Start | 2 | May 2011 | Has general references but lacks inline footnotes (May 2011), Unsourced passages need footnotes {{citation needed}} (May 2011) |
| Nery Brenes (BLP) | Unknown | Start | 1 | February 2018 | Dead external links {{dead link}} (February 2018) |
| New Generation Party (Costa Rica) | Unknown | Start | 1 | September 2025 | Dead external links {{dead link}} (September 2025) |
| New Republic Party (Costa Rica) | Unknown | Start | 1 | October 2025 | Dead external links {{dead link}} (October 2025) |
| Ngäbe | Mid | C | 1 | January 2025 | Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Nicaraguan spider monkey | Low | Start | 1 | July 2025 | Failed verification (July 2025) |
| Nicoya | Low | Stub | 1 | August 2023 | Unsourced passages need footnotes {{citation needed}} (August 2023) |
| Nicoya (canton) | Unknown | C | 1 | July 2013 | Unsourced passages need footnotes {{citation needed}} (July 2013) |
| Niño River | Low | Stub | 1 | Coordinates needed | |
| Northern house wren | Low | B | 1 | February 2008 | Factual verification needed (February 2008) |
| Nuevo Cartago y Costa Rica Province | Unknown | Stub | 1 | Coordinates needed | |
| October 2008 Central America floods | Low | GA | 1 | April 2019 | Dead external links {{dead link}} (April 2019) |
| Odir Jacques (BLP) | Low | Stub | 1 | December 2025 | Dead external links {{dead link}} (December 2025) |
| Ofelia Taitelbaum (BLP) | Low | Start | 1 | July 2020 | Weasel-worded phrases (July 2020) |
| Ojo de Buey | Unknown | Stub | 3 | July 2025 | Style editing needed (July 2025), Promotional tone (July 2025), Unsourced passages need footnotes {{More citations needed}} (July 2025) |
| Opinion polling for the 2018 Costa Rican general election | Low | List | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Opinion polling for the 2022 Costa Rican general election | Unknown | List | 2 | February 2022 | Dead external links {{dead link}} (February 2022, August 2025) |
| Organization for Tropical Studies | Unknown | Stub | 1 | October 2023 | Unsourced passages need footnotes {{More citations needed}} (October 2023) |
| Osa Conservation Area | Low | Stub | 1 | June 2016 | Unsourced passages need footnotes {{More citations needed}} (June 2016) |
| Osa Wildlife Sanctuary | Low | Stub | 1 | May 2021 | Page number citations needed (May 2021) |
| Otilio Ulate Blanco | High | Stub | 1 | March 2022 | Dead external links {{dead link}} (March 2022) |
| Otto Guevara (BLP) | Mid | Stub | 1 | November 2013 | BLP articles lacking sources (November 2013) |
| Ottón Solís (BLP) | Mid | Start | 1 | March 2014 | Unsourced passages need footnotes {{citation needed}} (March 2014) |
| Outline of Costa Rica | Top | List | 2 | May 2021 | Expansion needed (May 2021), CS1 errors: generic name |
| Pablo Brenes (BLP) | Low | Stub | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Pablo Herrera (footballer) (BLP) | Unknown | Stub | 1 | March 2018 | Dead external links {{dead link}} (March 2018) |
| Pablo Nassar (BLP) | Unknown | Stub | 1 | March 2018 | Dead external links {{dead link}} (March 2018) |
| Pacuare River | Low | Start | 3 | July 2013 | Coordinates needed, Unsourced passages need footnotes {{More citations needed}} (July 2013), Clarification needed (January 2015) |
| Palacio de los Deportes (Heredia) | Low | Stub | 1 | January 2010 | Unsourced passages need footnotes {{More citations needed}} (January 2010) |
| Palmar Sur | Unknown | Stub | 1 | September 2014 | Unsourced passages need footnotes {{More citations needed}} (September 2014) |
| Palmares de Alajuela | Unknown | Stub | 2 | March 2013 | Disputed statements (March 2013), Unsourced passages need footnotes {{citation needed}} (March 2013) |
| Palo Verde National Park | Low | Start | 1 | November 2013 | Unsourced passages need footnotes {{citation needed}} (November 2013) |
| Panamanian white-faced capuchin | Mid | GA | 1 | January 2019 | Clarification needed (January 2019) |
| Panhispanism | Mid | C | 2 | March 2025 | Cites unreliable sources (March 2025), Dead external links {{dead link}} (July 2025) |
| Papagayo Peninsula | Low | Start | 4 | August 2009 | Unsourced passages need footnotes {{More citations needed}} (August 2009), Style editing needed (August 2009), Unsourced passages need footnotes {{citation needed}} (February 2016), Dead external links {{dead link}} (August 2025) |
| Paphinia subclausa | Low | Stub | 1 | February 2022 | Unsourced passages need footnotes {{More citations needed}} (February 2022) |
| Paraphidippus | Low | Stub | 1 | August 2019 | Potentially dated statements (August 2019) |
| Parismina River | Unknown | Start | 1 | May 2025 | Cites unreliable sources (May 2025) |
| Parmenio Medina | Unknown | Stub | 1 | February 2011 | Unsourced passages need footnotes {{More citations needed}} (February 2011) |
| Parque Valle del Sol | Unknown | Stub | 3 | October 2011 | Notability unclear (October 2011), Unsourced passages need footnotes {{More citations needed}} (October 2011), CS1 errors: external links |
| Parrita | Unknown | Stub | 1 | October 2020 | Unsourced passages need footnotes {{citation needed}} (October 2020) |
| Parroquia San Antonio de Padua | Low | Start | 3 | December 2024 | Orphaned (December 2024), Original research (November 2025), Unsourced passages need footnotes {{More citations needed}} (November 2025) |
| Partido de Nicoya | Unknown | Stub | 1 | August 2007 | Unsourced passages need footnotes {{More citations needed}} (August 2007) |
| Pastor Fernández (BLP) | Low | Stub | 1 | March 2018 | Dead external links {{dead link}} (March 2018) |
| Patria Grande | Mid | Start | 2 | April 2024 | Unsourced passages need footnotes {{citation needed}} (April 2024), Disputed statements (November 2024) |
| Patricia Mora Castellanos (BLP) | Unknown | Start | 1 | CS1 errors: missing periodical | |
| Paulo Wanchope (BLP) | Low | Start | 2 | January 2025 | Unsourced passages need footnotes {{citation needed}} (January 2025), Dead external links {{dead link}} (September 2025) |
| Pavas | Unknown | Stub | 1 | March 2015 | Expansion needed (March 2015) |
| Pedro Muñoz (Costa Rican politician) (BLP) | Low | Start | 2 | January 2019 | BLP articles lacking sources (January 2019), Cites unreliable sources (June 2020) |
| Pejibaye River | Low | Stub | 1 | Coordinates needed | |
| Peliquista Party | Unknown | Start | 1 | December 2018 | Unsourced passages need footnotes {{More citations needed}} (December 2018) |
| People's Vanguard Party (Costa Rica) | Mid | Start | 1 | February 2022 | Factual verification needed (February 2022) |
| Pescatoria | Unknown | Start | 1 | December 2025 | Potentially dated statements (December 2025) |
| Phaseolus acutifolius | Low | C | 3 | 2015 | Potentially dated statements (2015), Reference errors, Failed verification (June 2021) |
| Phiale (spider) | Low | Stub | 2 | August 2019 | Potentially dated statements (August 2019), Dead external links {{dead link}} (January 2026) |
| Piedras Blancas National Park | Low | Start | 1 | November 2013 | Unsourced passages need footnotes {{More citations needed}} (November 2013) |
| Piedras River (Costa Rica) | Low | Stub | 1 | Coordinates needed | |
| Playa Cativo | Low | Start | 1 | January 2023 | Weasel-worded phrases (January 2023) |
| Playa Coyote, Costa Rica | Unknown | Start | 1 | February 2019 | Orphaned (February 2019) |
| Playa Grande, Costa Rica | Low | Start | 2 | March 2008 | Unsourced passages need footnotes {{More citations needed}} (March 2008), Promotional tone (April 2014) |
| Playa Herradura, Costa Rica | Low | Stub | 2 | June 2022 | Promotional tone (June 2022), Cites no sources (October 2025) |
| Playa Negra, Costa Rica | Unknown | 3 | June 2011 | Unsourced passages need footnotes {{citation needed}} (June 2011), Original research (September 2018), Cites no sources (October 2025) | |
| Playa Zancudo | Unknown | 1 | June 2008 | Unsourced passages need footnotes {{More citations needed}} (June 2008) | |
| Playas del Coco | Unknown | 2 | June 2022 | Unsourced passages need footnotes {{More citations needed}} (June 2022), Unsourced passages need footnotes {{citation needed}} (September 2022) | |
| Plaza de la Democracia | Unknown | Stub | 1 | February 2022 | Unsourced passages need footnotes {{More citations needed}} (February 2022) |
| Pocho (crocodile) | Low | Start | 2 | July 2021 | Page number citations needed (July 2021), Unsourced passages need footnotes {{citation needed}} (April 2024) |
| Pocosol River | Low | Stub | 1 | Coordinates needed | |
| Porvenir Volcano | Low | Stub | 1 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Poás Volcano | Low | Stub | 1 | March 2020 | Incomplete citations (March 2020) |
| Pre-Columbian Gold Museum | Low | Start | 1 | October 2025 | Unsourced passages need footnotes {{More citations needed}} (October 2025) |
| Pre-Columbian history of Costa Rica | Top | C | 2 | December 2008 | Unsourced passages need footnotes {{More citations needed}} (December 2008), Unsourced passages need footnotes {{citation needed}} (August 2019) |
| Presbyterian and Reformed Church of Costa Rica | Mid | C | 1 | Coordinates needed | |
| Priscila Chinchilla (BLP) | Unknown | Stub | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Priscilla Monge (BLP) | Low | Stub | 1 | March 2018 | Failed verification (March 2018) |
| Progressive Liberal Party (Costa Rica) | Unknown | Stub | 1 | January 2025 | Cites unreliable sources (January 2025) |
| Prostitution in Costa Rica | Mid | C | 1 | January 2021 | Unsourced passages need footnotes {{citation needed}} (January 2021) |
| Provincial Integration Party Three | Mid | Stub | 2 | December 2016 | Dead external links {{dead link}} (December 2016), Unsourced passages need footnotes {{More citations needed}} (November 2023) |
| Public Force of Costa Rica | Top | Start | 1 | May 2024 | Dead external links {{dead link}} (May 2024) |
| Public Prosecutor of Costa Rica | Unknown | Start | 1 | March 2023 | Unsourced passages need footnotes {{citation needed}} (March 2023) |
| Public finances in Costa Rica | Low | Start | 1 | May 2023 | Update needed (May 2023) |
| Puerto Viejo de Talamanca | Mid | Start | 1 | CS1 errors: generic name | |
| Puerto Viejo, Sarapiquí | Unknown | Stub | 1 | February 2019 | Unsourced passages need footnotes {{citation needed}} (February 2019) |
| Punta Banco | Unknown | Stub | 3 | October 2018 | Unsourced passages need footnotes {{More citations needed}} (October 2018), Has general references but lacks inline footnotes (October 2018), Orphaned (August 2024) |
| Punta Islita | Unknown | Stub | 1 | June 2018 | Promotional tone (June 2018) |
| Puntarenas | Low | Start | 1 | February 2011 | Unsourced passages need footnotes {{citation needed}} (February 2011) |
| Purabá | Low | B | 3 | November 2023 | CS1 errors: external links, CS1 errors: requires URL, Dead external links {{dead link}} (November 2023) |
| Páramo | Low | B | 2 | 2021 | CS1 errors: missing periodical, Potentially dated statements (2021) |
| Quepos | Low | Stub | 1 | June 2023 | Unsourced passages need footnotes {{citation needed}} (June 2023) |
| Quepos La Managua Airport | Low | Stub | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Quesada, San Carlos | Unknown | Start | 1 | September 2011 | Unsourced passages need footnotes {{citation needed}} (September 2011) |
| Quince Duncan (BLP) | Low | Stub | 2 | January 2013 | BLP articles lacking sources (January 2013), Unsourced passages need footnotes {{citation needed}} (March 2024) |
| Quitirrisí | Low | Stub | 1 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024) |
| Rafael Iglesias Castro | High | Start | 1 | January 2023 | Has general references but lacks inline footnotes (January 2023) |
| Rafael Ángel Calderón Fournier (BLP) | High | Start | 2 | June 2012 | Unsourced passages need footnotes {{citation needed}} (June 2012, July 2022) |
| Rafael Ángel Calderón Guardia | High | Start | 1 | October 2023 | Unsourced passages need footnotes {{citation needed}} (October 2023) |
| Rail transport in Costa Rica | Low | Start | 4 | May 2014 | Potentially dated statements (May 2014, 2017), Vague or ambiguous time (February 2017), Cites unreliable sources (August 2017) |
| Rainforest of the Austrians | Unknown | Start | 1 | July 2025 | Cites no sources (July 2025) |
| Randall Leal (BLP) | Unknown | Stub | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Referendums in Costa Rica | Low | C | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Reform State | Unknown | 2 | August 2025 | CS1 errors: missing periodical, Dead external links {{dead link}} (August 2025) | |
| René Castro (BLP) | Mid | Start | 1 | May 2025 | Unsourced passages need footnotes {{citation needed}} (May 2025) |
| Repertorio Americano | Low | Stub | 1 | June 2011 | Cites no sources (June 2011) |
| Repretel 11 | Low | Start | 1 | November 2025 | Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Rescate Wildlife Rescue Center | Low | Start | 2 | August 2020 | Unsourced passages need footnotes {{More citations needed}} (August 2020), Unsourced passages need footnotes {{citation needed}} (November 2023) |
| Reventazón River | Low | Stub | 2 | April 2020 | CS1 errors: missing periodical, Unsourced passages need footnotes {{More citations needed}} (April 2020) |
| Rhomphaea | Low | Start | 1 | October 2025 | Potentially dated statements (October 2025) |
| Ricardo Jiménez Oreamuno | High | Start | 2 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024), Unsourced passages need footnotes {{citation needed}} (March 2024) |
| Ricardo Moreno Cañas | Unknown | Stub | 1 | February 2023 | Unsourced passages need footnotes {{citation needed}} (February 2023) |
| Ricardo Toledo Carranza (BLP) | Unknown | Stub | 1 | January 2011 | BLP articles lacking sources (January 2011) |
| Rodrigo Chaves Robles (BLP) | Unknown | Start | 2 | December 2023 | Update needed (December 2023), Link rot cleanup (August 2024) |
| Rolando Araya Monge (BLP) | Unknown | Stub | 1 | January 2011 | BLP articles lacking sources (January 2011) |
| Román Macaya (BLP) | Low | Start | 3 | January 2022 | Notability unclear (January 2022), BLP articles lacking sources (March 2022, July 2022) |
| Rubén Pacheco (Costa Rica) (BLP) | Unknown | Stub | 1 | February 2008 | Has general references but lacks inline footnotes (February 2008) |
| Rufous motmot | Low | Start | 1 | May 2021 | Unsourced passages need footnotes {{citation needed}} (May 2021) |
| Rugby union in Costa Rica | Low | Stub | 2 | September 2019 | Dead external links {{dead link}} (September 2019), Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Róger Cortés (BLP) | Low | Stub | 1 | April 2021 | Orphaned (April 2021) |
| Rónald Gómez (BLP) | Low | Start | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| SANSA (airline) | Low | Stub | 1 | April 2025 | Unsourced passages need footnotes {{citation needed}} (April 2025) |
| SANSA Flight 32 | Low | Start | 1 | Coordinates needed | |
| SIEPAC | Mid | C | 1 | July 2019 | Update needed (July 2019) |
| Sabalito | Low | Stub | 1 | December 2013 | Unsourced passages need footnotes {{citation needed}} (December 2013) |
| Sabogal River | Low | Stub | 1 | Coordinates needed | |
| Saint Mary High School (Guachipelin) | Low | Stub | 1 | Coordinates needed | |
| Salto River (Costa Rica) | Low | Stub | 1 | Coordinates needed | |
| Samuel Rovinski | Low | Start | 2 | February 2015 | Notability unclear (February 2015), Unsourced passages need footnotes {{More citations needed}} (February 2015) |
| San Gerardo de Rivas | Low | Start | 1 | June 2016 | Unsourced passages need footnotes {{More citations needed}} (June 2016) |
| San José F.C. | Unknown | Start | 1 | February 2026 | Cites no sources (February 2026) |
| San José, Costa Rica | High | C | 3 | May 2017 | Vague or ambiguous time (May 2017), Expansion needed (July 2019), Dead external links {{dead link}} (February 2022) |
| San Juan de Santa Bárbara | Low | B | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| San Lucas Island | Low | Start | 2 | January 2014 | Unsourced passages need footnotes {{citation needed}} (January 2014), Dead external links {{dead link}} (October 2024) |
| San Pedro de Santa Bárbara | Low | B | 2 | August 2025 | CS1 errors: external links, Dead external links {{dead link}} (August 2025) |
| San Vicente, Moravia | Unknown | Start | 1 | July 2018 | Expansion needed (July 2018) |
| San Vito, Costa Rica | Low | Start | 1 | March 2016 | Unsourced passages need footnotes {{citation needed}} (March 2016) |
| Santa Ana, Costa Rica | Low | Stub | 1 | October 2009 | Unsourced passages need footnotes {{citation needed}} (October 2009) |
| Santa Bárbara (canton) | Mid | C | 1 | February 2021 | Unsourced passages need footnotes {{citation needed}} (February 2021) |
| Santa Bárbara de Heredia | Low | B | 3 | November 2023 | CS1 errors: external links, CS1 errors: requires URL, Dead external links {{dead link}} (November 2023) |
| Santa Cruz (canton), Costa Rica | Unknown | Stub | 1 | June 2011 | Unsourced passages need footnotes {{citation needed}} (June 2011) |
| Santa Lucía District | Unknown | Stub | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Santa Rosa National Park | Low | C | 2 | November 2013 | Unsourced passages need footnotes {{citation needed}} (November 2013), Dead external links {{dead link}} (August 2025) |
| Santa Teresa, Costa Rica | Low | Stub | 1 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024) |
| Santiago Apóstol Parish Ruins | Unknown | Start | 4 | November 2012 | Coordinates needed, Unsourced passages need footnotes {{More citations needed}} (November 2012), Dead external links {{dead link}} (November 2012, September 2024) |
| Santiago District, Puriscal | Unknown | 1 | September 2020 | Unsourced passages need footnotes {{citation needed}} (September 2020) | |
| Santiago de Bonilla y Laya-Bolívar | Unknown | Stub | 1 | February 2026 | Unsourced passages need footnotes {{More citations needed}} (February 2026) |
| Santos de Guápiles | Low | Stub | 1 | January 2026 | Unsourced passages need footnotes {{More citations needed}} (January 2026) |
| Sapoá River | Low | Stub | 1 | Coordinates needed | |
| Sara Cognuck | Low | Stub | 1 | April 2023 | Orphaned (April 2023) |
| Sarapiquí River | Low | Stub | 1 | June 2014 | Unsourced passages need footnotes {{More citations needed}} (June 2014) |
| Sardinal | Low | Stub | 1 | September 2025 | Dead external links {{dead link}} (September 2025) |
| Sarinda (spider) | Low | Stub | 1 | August 2019 | Potentially dated statements (August 2019) |
| Sassacus (spider) | Low | Stub | 1 | August 2019 | Potentially dated statements (August 2019) |
| Scintillant hummingbird | Low | Start | 1 | December 2021 | Unsourced passages need footnotes {{citation needed}} (December 2021) |
| Scopocira | Low | Stub | 1 | August 2019 | Potentially dated statements (August 2019) |
| Scouting and Guiding in Costa Rica | Unknown | Stub | 1 | July 2025 | Unsourced passages need footnotes {{More citations needed}} (July 2025) |
| Sebastiania pavoniana | Low | C | 1 | December 2025 | Dead external links {{dead link}} (December 2025) |
| Sebastián Acuña (BLP) | Low | Start | 1 | January 2025 | Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Second Battle of Rivas | Mid | Start | 2 | April 2015 | Unsourced passages need footnotes {{citation needed}} (April 2015), Has general references but lacks inline footnotes (October 2020) |
| Seminellogon bituberculosus | Low | Start | 1 | CS1 errors: missing periodical | |
| Sharon Corrales (BLP) | Low | Stub | 1 | January 2025 | Cites unreliable sources (January 2025) |
| Shirley Cruz (BLP) | Unknown | C | 3 | December 2024 | Pages with broken anchors (see article talk page, remove when fixed), Unsourced passages need footnotes {{citation needed}} (December 2024), Dead external links {{dead link}} (May 2025) |
| Siarke | Low | Stub | 1 | July 2019 | Unsourced passages need footnotes {{More citations needed}} (July 2019) |
| Sibú | Mid | C | 2 | August 2019 | Has general references but lacks inline footnotes (August 2019), Unsourced passages need footnotes {{More citations needed}} (August 2019) |
| Sidusa | Low | Stub | 1 | February 2022 | Potentially dated statements (February 2022) |
| Silky anteater | Low | C | 2 | October 2012 | Clarification needed (October 2012), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Silvana Sánchez (BLP) | Low | Stub | 1 | March 2012 | BLP articles lacking sources (March 2012) |
| Silvia Poll (BLP) | Low | Stub | 1 | May 2018 | Dead external links {{dead link}} (May 2018) |
| Sintagma | Low | Start | 2 | November 2019 | Notability unclear (November 2019), Conflict of interest (November 2019) |
| Sistema de Información de la Población Objetivo | Low | Stub | 2 | September 2018 | Cites no sources (September 2018), Orphaned (October 2022) |
| Skyway Costa Rica | Low | Start | 1 | January 2022 | Update needed (January 2022) |
| Smoking in Costa Rica | Low | Start | 1 | December 2021 | Dead external links {{dead link}} (December 2021) |
| Sofía Matilde Joy Redman | Unknown | Stub | 1 | November 2024 | Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Spanish American wars of independence | Mid | C | 4 | July 2018 | Dead external links {{dead link}} (July 2018, November 2021), Page number citations needed (August 2024), Unsourced passages need footnotes {{citation needed}} (June 2025) |
| Spanish language | Top | C | 5 | November 2020 | Cites unreliable sources (November 2020, January 2021), Factual verification needed (November 2023), Unsourced passages need footnotes {{citation needed}} (September 2025), Unsourced passages need footnotes {{More citations needed}} (January 2026) |
| Sparianthina | Low | Stub | 1 | November 2021 | Potentially dated statements (November 2021) |
| Sphaeriodesmus filamentosus | Low | Stub | 1 | July 2023 | Unsourced passages need footnotes {{More citations needed}} (July 2023) |
| Spirogyra Butterfly Farm Park Garden | Low | Stub | 1 | January 2017 | Unsourced passages need footnotes {{More citations needed}} (January 2017) |
| Sporting F.C. | Unknown | Start | 1 | May 2025 | Unsourced passages need footnotes {{More citations needed}} (May 2025) |
| Spot-bellied bobwhite | Low | Start | 2 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020), Unsourced passages need footnotes {{citation needed}} (November 2023) |
| Stichoplastoris | Low | Stub | 1 | May 2020 | Potentially dated statements (May 2020) |
| Stone spheres of Costa Rica | Low | C | 4 | March 2019 | Unsourced passages need footnotes {{citation needed}} (March 2019, October 2020), CS1 errors: missing periodical, CS1 errors: ISBN date |
| Stripe-throated hermit | Low | Start | 1 | January 2024 | Has general references but lacks inline footnotes (January 2024) |
| Sucio River | Low | Stub | 1 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020) |
| Suerte River | Low | Stub | 1 | Coordinates needed | |
| Supercopa de Costa Rica | Unknown | 2 | March 2013 | Expansion needed (March 2013), Update needed (November 2021) | |
| Supreme Court of Justice hostage crisis | Low | Stub | 1 | November 2024 | Dead external links {{dead link}} (November 2024) |
| Supreme Court of Justice of Costa Rica | High | Start | 2 | June 2015 | Has general references but lacks inline footnotes (June 2015), Update needed (December 2023) |
| Sura Chamber Choir | Low | Stub | 1 | December 2009 | Cites no sources (December 2009) |
| Swedish Costa Ricans | Unknown | Start | 2 | June 2022 | Unsourced passages need footnotes {{citation needed}} (June 2022, December 2023) |
| Synemosyna | Low | Stub | 1 | August 2019 | Potentially dated statements (August 2019) |
| Synotaxus | Low | Stub | 1 | September 2019 | Potentially dated statements (September 2019) |
| Sámara | Unknown | Start | 3 | September 2009 | Original research (September 2009), Unsourced passages need footnotes {{More citations needed}} (January 2017, May 2025) |
| Talamanca Bribri | Low | Stub | 2 | August 2019 | Unsourced passages need footnotes {{More citations needed}} (August 2019), Unsourced passages need footnotes {{citation needed}} (January 2026) |
| Talamancan mythology | Mid | C | 1 | August 2019 | Has general references but lacks inline footnotes (August 2019) |
| Tamarindo River | Low | Stub | 1 | May 2016 | Unsourced passages need footnotes {{More citations needed}} (May 2016) |
| Tapantí National Park | Mid | Start | 1 | November 2013 | Unsourced passages need footnotes {{citation needed}} (November 2013) |
| Telecommunications in Costa Rica | High | Start | 2 | January 2014 | Unsourced passages need footnotes {{citation needed}} (January 2014), Update needed (January 2014) |
| Teletica | Low | Stub | 1 | February 2022 | Unsourced passages need footnotes {{More citations needed}} (February 2022) |
| Temporary Migrant Care Center | Unknown | Start | 1 | Coordinates needed | |
| Tenorio River | Low | Stub | 3 | January 2025 | Coordinates needed, Unsourced passages need footnotes {{More citations needed}} (January 2025), Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Teodoro Picado Michalski | High | Start | 2 | November 2013 | Unsourced passages need footnotes {{More citations needed}} (November 2013), Has general references but lacks inline footnotes (November 2013) |
| Tethered Aerostat Radar System | Unknown | Start | 1 | June 2012 | Unsourced passages need footnotes {{citation needed}} (June 2012) |
| The Ara Project | Mid | Stub | 2 | November 2023 | CS1 errors: archive-url, Unsourced passages need footnotes {{citation needed}} (November 2023) |
| The Church of Jesus Christ of Latter-day Saints in Costa Rica | Low | Start | 1 | January 2021 | Expansion needed (January 2021) |
| The Sloth Institute Costa Rica | Low | Start | 2 | August 2022 | Cites unreliable sources (August 2022), Promotional tone (August 2022) |
| Thelma Darkings (BLP) | Low | C | 1 | August 2020 | Cites unreliable sources (August 2020) |
| Theosophical Society in Costa Rica | Low | C | 1 | CS1 errors: requires URL | |
| Theridiosoma | Low | Stub | 1 | June 2020 | Potentially dated statements (June 2020) |
| Timeline of San José, Costa Rica | Unknown | List | 3 | January 2016 | Unsourced passages need footnotes {{citation needed}} (January 2016), Expansion needed (January 2016), CS1 errors: generic name |
| Tiny hawk | Unknown | Start | 1 | November 2025 | Dead external links {{dead link}} (November 2025) |
| Tobosi | Low | Stub | 3 | September 2010 | Unsourced passages need footnotes {{citation needed}} (September 2010), Clarification needed (September 2010), Has general references but lacks inline footnotes (July 2019) |
| Tomás Guardia Gutiérrez | High | Stub | 1 | April 2024 | Unsourced passages need footnotes {{More citations needed}} (April 2024) |
| Tourism in Costa Rica | High | C | 3 | July 2018 | Dead external links {{dead link}} (July 2018), Unsourced passages need footnotes {{More citations needed}} (January 2021), CS1 errors: archive-url |
| Trade unions in Costa Rica | Mid | C | 1 | CS1 errors: missing periodical | |
| Transport in Costa Rica | High | Stub | 2 | 2013 | Potentially dated statements (2013), CS1 errors: missing periodical |
| Treasure of Lima: A Buried Exhibition | Unknown | Start | 1 | October 2017 | Has general references but lacks inline footnotes (October 2017) |
| Tres Ríos, Cartago | Mid | Stub | 1 | May 2013 | Unsourced passages need footnotes {{More citations needed}} (May 2013) |
| Tributo a Soda Stereo | Low | Stub | 1 | June 2025 | Has general references but lacks inline footnotes (June 2025) |
| Try Bennett (BLP) | Low | Stub | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Tárcoles River | Low | Stub | 1 | July 2009 | Unsourced passages need footnotes {{citation needed}} (July 2009) |
| Ujarrás | Unknown | Start | 1 | CS1 errors: requires URL | |
| Ujarrás (brand) | Unknown | Stub | 1 | February 2021 | Notability unclear (February 2021) |
| Unaproa | Low | Stub | 1 | May 2013 | Has general references but lacks inline footnotes (May 2013) |
| United We Can | Low | Stub | 1 | November 2024 | Dead external links {{dead link}} (November 2024) |
| United World College of Costa Rica | Low | Start | 2 | March 2012 | Promotional tone (March 2012), Unsourced passages need footnotes {{More citations needed}} (February 2017) |
| Universidad Cristiana del Sur | Low | Stub | 3 | October 2014 | Coordinates needed, Weasel-worded phrases (October 2014), Unsourced passages need footnotes {{citation needed}} (October 2014) |
| Universidad Empresarial de Costa Rica | Low | Start | 2 | February 2015 | Cites unreliable sources (February 2015), Notability unclear (January 2026) |
| Universidad Hispanoamericana | Low | Stub | 2 | October 2019 | Coordinates needed, Has general references but lacks inline footnotes (October 2019) |
| Universidad Nacional, School for International Relations | Unknown | Stub | 2 | May 2014 | Coordinates needed, Has general references but lacks inline footnotes (May 2014) |
| Universidad San Juan de la Cruz | Low | Start | 1 | Coordinates needed | |
| Universidad de Ciencias Médicas | Low | Start | 2 | November 2023 | Coordinates needed, Unsourced passages need footnotes {{More citations needed}} (November 2023) |
| University of Costa Rica | Low | Start | 5 | December 2010 | Expansion needed (December 2010), Unsourced passages need footnotes {{citation needed}} (July 2018, August 2019), Clarification needed (July 2018, May 2019) |
| Upala Airport | Unknown | Stub | 1 | January 2026 | Dead external links {{dead link}} (January 2026) |
| Uren River | Low | Stub | 1 | Coordinates needed | |
| Uvita (Costa Rica) | Low | Stub | 1 | January 2025 | Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Vanessa González (singer) (BLP) | Unknown | Start | 1 | October 2025 | Dead external links {{dead link}} (October 2025) |
| Veragua | Unknown | Stub | 1 | August 2023 | Unsourced passages need footnotes {{More citations needed}} (August 2023) |
| Victor Brenes | Low | Stub | 1 | January 2024 | Unsourced passages need footnotes {{More citations needed}} (January 2024) |
| Victoria Guardia Alvarado (BLP) | Unknown | Stub | 1 | April 2009 | Unsourced passages need footnotes {{citation needed}} (April 2009) |
| Visa policy of Costa Rica | High | B | 1 | October 2018 | Incomplete lists (October 2018) |
| Visa requirements for Costa Rican citizens | Unknown | List | 5 | May 2016 | Reference errors, Dead external links {{dead link}} (May 2016), Potentially dated statements (June 2017), Unsourced passages need footnotes {{citation needed}} (January 2021), CS1 errors: archive-url |
| Vladimir Quesada (BLP) | Low | Stub | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Volio Waterfall | Low | Stub | 1 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Votic languages | Low | Stub | 1 | January 2026 | Cites no sources (January 2026) |
| Víctor Cordero (BLP) | Low | Stub | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Víctor Guardia Quirós | Unknown | Stub | 1 | November 2024 | Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Víctor Núñez | Low | Start | 1 | October 2008 | Unsourced passages need footnotes {{citation needed}} (October 2008) |
| Walter C. Thurston | Unknown | Stub | 1 | CS1 errors: ISBN date | |
| Walter Centeno (BLP) | Low | Stub | 1 | February 2023 | Dead external links {{dead link}} (February 2023) |
| Walter Kissling | Unknown | Start | 1 | CS1 errors: generic name | |
| Water resources management in Costa Rica | Low | B | 1 | April 2013 | Unsourced passages need footnotes {{citation needed}} (April 2013) |
| Water supply and sanitation in Costa Rica | Low | C | 2 | CS1 errors: requires URL, CS1 errors: generic name | |
| Welmer Ramos González (BLP) | Low | Start | 1 | May 2023 | BLP articles lacking sources (May 2023) |
| White-breasted wood wren | Unknown | Start | 1 | July 2009 | Has general references but lacks inline footnotes (July 2009) |
| White-necked jacobin | Low | Start | 1 | November 2021 | Unsourced passages need footnotes {{citation needed}} (November 2021) |
| Wildlife of Costa Rica | High | C | 2 | May 2023 | CS1 errors: requires URL, Unsourced passages need footnotes {{citation needed}} (May 2023) |
| Winifred Hallwachs (BLP) | Low | B | 1 | May 2025 | Dead external links {{dead link}} (May 2025) |
| Workers' Party (Costa Rica) | Unknown | Start | 1 | November 2021 | Unsourced passages need footnotes {{citation needed}} (November 2021) |
| World Wide Association of Specialty Programs and Schools | Low | B | 3 | May 2012 | Unsourced passages need footnotes {{citation needed}} (May 2012, July 2025), Weasel-worded phrases (July 2025) |
| Xenia de la Ossa (BLP) | Low | Start | 1 | July 2025 | Dead external links {{dead link}} (July 2025) |
| Yamilka Noa (BLP) | Low | Start | 1 | August 2017 | BLP articles lacking sources (August 2017) |
| Yanina Aguilar (BLP) | Low | Stub | 1 | January 2026 | Dead external links {{dead link}} (January 2026) |
| Yecxy Jarquín (BLP) | Unknown | Start | 1 | January 2026 | Dead external links {{dead link}} (January 2026) |
| Yeltsin Tejeda (BLP) | Unknown | Stub | 1 | July 2014 | BLP articles lacking sources (July 2014) |
| Youssef Khater (BLP) | Low | Stub | 1 | March 2022 | Unsourced passages need footnotes {{citation needed}} (March 2022) |
| Zarela Villanueva Monge (BLP) | Unknown | Start | 2 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024), Dead external links {{dead link}} (July 2025) |
| Zuniga (spider) | Low | Stub | 1 | September 2019 | Potentially dated statements (September 2019) |
| ¿Quién quiere ser millonario? (Costa Rican game show) | Unknown | Stub | 1 | October 2024 | Unsourced passages need footnotes {{More citations needed}} (October 2024) |
| Álvaro Esquivel (BLP) | Low | Stub | 3 | January 2023 | Orphaned (January 2023), Unsourced passages need footnotes {{citation needed}} (January 2023), Vague or ambiguous time (January 2023) |
| Édgar Brenes (BLP) | Unknown | Stub | 1 | September 2011 | BLP articles lacking sources (September 2011) |
| Édgar Silva | Low | Start | 1 | October 2009 | BLP articles lacking sources (October 2009) |
| Óscar Arias (BLP) | High | Start | 3 | November 2012 | Dead external links {{dead link}} (November 2012), Unsourced passages need footnotes {{citation needed}} (March 2024, February 2026) |