| Nation | League | Champion | Second place | Title | Last honour |
|---|
 Albania | 2020–21 Kategoria e Parë | Egnatia | Dinamo Tirana | 2nd | 2002–03 |
| 2020–21 Kategoria e Dytë | Shkumbini | Maliqi | 2nd | 1978–79 |
| 2021 Kategoria e Tretë | AF Luftëtari | Murlani | 1st | — |
 Andorra | 2020–21 Segona Divisió | Ordino | FS La Massana | 3rd | 2017–18 |
 Armenia | 2020–21 Armenian First League | Sevan | BKMA | 2nd | 2018–19 |
 Austria | 2020–21 Austrian Football Second League | Blau-Weiß Linz | Liefering | 1st | — |
| 2020–21 Austrian Regionalliga | Season Abandoned, due to the COVID-19 pandemic |
 Azerbaijan | 2020–21 Azerbaijan First Division | Neftçi-2 | Zagatala | 1st | — |
| 2020–21 Azerbaijan Regional League | | | | |
 Belarus | 2021 Belarusian First League | Arsenal Dzerzhinsk | Belshina Bobruisk | 1st | — |
| 2021 Belarusian Second League | Ostrovets | BC Maxline | 1st | — |
| 2021 Belarusian Premier League Reserves Championship | Dinamo Minsk (Reserves) | BATE Borisov (Reserves) | 10th | 2020 |
 Belgium | 2020–21 Belgian First Division B | Union SG | Seraing | 2nd | 1963–64 |
| 2020–21 Belgian First Amateur Division | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Belgian Division 2 | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Belgian Division 3 | Season Abandoned, due to the COVID-19 pandemic |
 Bosnia and Herzegovina
*3-4 tier has been omitted | 2020–21 First League of the Federation of Bosnia and Herzegovina | Posušje | TOŠK Tešanj | 1st | — |
| 2020–21 First League of the Republika Srpska | Rudar Prijedor | Leotar | 3rd | 2014–15 |
 Bulgaria
*3 tier has been omitted | 2020–21 Second Professional Football League | Pirin Blagoevgrad | Lokomotiv Sofia | 1st | — |
 Croatia
*3 tier has been omitted | 2020–21 Croatian Second Football League | Hrvatski Dragovoljac | Rudeš | 3rd | 2012–13 |
 Cyprus | 2020–21 Cypriot Second Division | PAEEK | Aris Limassol FC | 1st | — |
| 2020–21 Cypriot Third Division | Omonia 29is Maiou | Olympias Lympion | 1st | — |
| 2020–21 STOK Elite Division | Season Abandoned, due to the COVID-19 pandemic |
 Czech Republic
*5 tier has been omitted | 2020–21 Czech National Football League | Hradec Králové | Líšeň | 3rd | 2009–10 |
| 2020–21 Bohemian Football League | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Moravian–Silesian Football League | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Czech Fourth Division | (Divize A) Přeštice | Sokol Lom | N/A | N/A |
| (Divize B)Neratovice-Byškovice | Baník Souš | N/A | N/A |
| (Divize C) Sparta Kolín | Vysoké Mýto | N/A | N/A |
| (Divize D)Hodonín | Zbrojovka Brno II | N/A | N/A |
| (Divize E) Viktorie Přerov | Kozlovice | N/A | N/A |
| (Divize F) Frýdlant | Bílovec | N/A | N/A |
 Denmark
*5-8 tier has been omitted | 2020–21 Danish 1st Division | Viborg | Silkeborg | 1st | — |
| 2020–21 Danish 2nd Divisions | (West)Jammerbugt | Boldklubben af 1893 | 1st | — |
| (East)Nykøbing | HIK | 2nd | 2002–03 |
| 2020–21 Denmark Series | IF Lyseng | Young Boys FD | N/A | N/A |
 England
*9-20 tier has been omitted | 2020–21 EFL Championship | Norwich City | Watford | 5th | 2018–19 |
| 2020–21 EFL League One | Hull City | Peterborough United | 1st | — |
| 2020–21 EFL League Two | Cheltenham Town | Cambridge United | 1st | — |
| 2020–21 National League | Sutton United | Torquay United | 1st | — |
| 2020–21 Northern Premier League | Season cancelled, due to the COVID-19 pandemic |
| 2020–21 Southern Football League | Season cancelled, due to the COVID-19 pandemic |
| 2020–21 Isthmian League | Season Abandoned, due to the COVID-19 pandemic |
 Estonia
*5 tier has been omitted | 2021 Esiliiga A | Maardu | Tallinna Kalev | 3rd | 2018 |
| 2021 Esiliiga B | Viimsi | Harju Laagri | 1st | — |
| 2021 II liiga | | | | |
 Faroe Islands | 2021 1. deild | Skála ÍF | Víkingur II | 2nd | 2015 |
| 2021 2. deild | Undrið FF | ÍF II | 1st | — |
| 2021 3. deild | | | | |
 Finland
*5-8 tier has been omitted | 2021 Ykkönen | VPS | RoPS | 1st | — |
| 2021 Kakkonen | (Group A)JaPS | PEPO | N/A | N/A |
| (Group B)PIF | Honka Akatemia | N/A | N/A |
| (Group C)SJK Akatemia | JJK | N/A | N/A |
| 2021 Kolmonen | Season Abandoned, due to the COVID-19 pandemic |
 France
*Level 5-17 has been omitted | 2020–21 Ligue 2 | Troyes | Clermont | 2nd | 2014–15 |
| 2020–21 Championnat National | Bastia | Quevilly-Rouen | 2nd | 2010–11 |
| 2020–21 Championnat National 2 | Season Abandoned, due to the COVID-19 pandemic |
 Georgia
*Level 4-5 has been omitted | 2021 Erovnuli Liga 2 | Sioni Bolnisi | Gagra | 2nd | 1994–95 (East) |
| 2021 Liga 3 | Spaeri Tbilisi | Kolkheti-1913 Poti | 1st | — |
 Germany
*Level 6 has been omitted | 2020–21 2. Bundesliga | VfL Bochum | SpVgg Greuther Fürth | 4th | 2005–06 |
| 2020–21 3. Liga | Dynamo Dresden | Hansa Rostock | 2nd | 2015–16 |
| 2020–21 Regionalliga | (Nord) | No Champion |
| (Nordost)Viktoria Berlin | Altglienicke | 1st | — |
| (Südwest)Freiburg II | Elversberg | 1st | — |
| (West)Borussia Dortmund II | Rot-Weiss Essen | 3rd | 2011–12 |
| (Bayern)Schweinfurt 05 | Viktoria Aschaffenburg | 1st | — |
| 2020–21 Oberliga Baden-Württemberg [de] | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Bayernliga [de] | (North)Eltersdorf | DJK Vilzing | N/A | N/A |
| (South)Pipinsried | Deisenhofen | N/A | N/A |
| 2020–21 Bremenliga [de] | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Oberliga Hamburg [de] | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Hessenliga [de] | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Mittelrheinliga [de] | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Oberliga Niederrhein [de] | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Oberliga Niedersachsen [de] | Heeslinger | Spelle-Venhaus | N/A | N/A |
| 2020–21 Oberliga Nordost [de] | (North)Tasmania Berlin | Greifswalder FC | N/A | N/A |
| (South)Eilenburg | VfL Halle 1896 | N/A | N/A |
| 2020–21 Oberliga Rheinland-Pfalz/Saar [de] | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Oberliga Schleswig-Holstein [de] | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Oberliga Westfalen [de] | Season Abandoned, due to the COVID-19 pandemic |
 Greece
*Level 5 has been omitted | 2020–21 Super League Greece 2 | Ionikos | Xanthi | 2nd | 1993–94 |
| 2020–21 Football League (Greece) | (North)Veria | Kavala | 4th | 1976–77 (Group 2) |
| (South)Kalamata | Episkopi | 3rd | 1973–74 (Group 2) |
| 2020–21 Gamma Ethniki | (Group 1)Orfeas Xanthi | Iraklis | 1st | — |
| (Group 2)Poseidon Michaniona | Thyella Sarakinoi | 1st | — |
| (Group 3)Anagennisi Karditsa | Karitsa | 4th | 1996–97 (Group 2) |
| (Group 4)Diagoras Stefanovikeio | Iraklis Psachna | 1st | — |
| (Group 5)Acheron Kanallaki | Lefkimmi | 1st | — |
| (Group 6)Panionios | Ilioupolis | 1st | — |
| (Group 7)Kifisia | Rouf | 1st | — |
| (Group 8)Thyella Rafina | Aiolikos | 1st | — |
| (Group 9)Zakynthos | Diagoras Vrachnaiika | 1st | — |
| (Group 10)Irodotos | Agios Nikolaos | 3rd | 2017–18 (Group 8) |
 Hungary
*Level 4-8 has been omitted | 2020–21 Nemzeti Bajnokság II | Debrecen | Gyirmót | 8th | 1992–93 (East) |
| 2020–21 Nemzeti Bajnokság III | (West)III. Kerület | Mosonmagyaróvár | 2nd | 1986–87 (Group 3) |
| (Centre)Iváncsa | Kecskemét | 1st | — |
| (East)Tiszakécske | BVSC-Zugló | 3rd | 2017–18 (Centre) |
 Iceland | 2021 1. deild karla | Fram | ÍBV | 5th | 2006 |
| 2021 2. deild karla | Þróttur Vogum | KV | 1st | — |
| 2021 3. deild karla | Höttur/Huginn | Ægir | 1st | — |
| 2021 4. deild karla | KH | Kormákur/Hvöt | 2nd | 2017 |
 Ireland | 2021 League of Ireland First Division | Shelbourne | Galway United | 2nd | 2019 |
 Israel | 2020–21 Liga Leumit | Hapoel Nof HaGalil | Hapoel Jerusalem | 1st | — |
| 2020–21 Liga Alef | (North)Maccabi Bnei Reineh | Tira | 1st | — |
| (South)Hapoel Ashdod | Maccabi Kabilio Jaffa | 2nd | 1989–90 (South) |
| 2020–21 Liga Bet | (North A Division) Tzeirei Kafr Kanna | Ihud Bnei Shefa-'Amr | N/A | N/A |
| (North B Division)Ironi Nesher | Tirat Carmel | N/A | N/A |
| (South A Division)Shimshon Tel Aviv | Hapoel Mahane Yehuda | N/A | N/A |
| (South B Division)Bnei Eilat | Maccabi Ironi Sderot | N/A | N/A |
| 2020–21 Liga Gimel | (Upper Galilee) Maccabi Bnei Jadeidi Makr | Hapoel Ihud Bnei Sumei | N/A | N/A |
| (Lower Galilee) Hapoel Deir Hanna | Ironi Bnei Sha'ab | N/A | N/A |
| (Jezreel)Hapoel Daliyat al-Karmel | Tzeirei Umm al-Fahm | N/A | N/A |
| (Samaria)Maccabi Isfiya | Hapoel Kiryat Yam | N/A | N/A |
| (Sharon) Tzeirei Tira | Bnei Herzliya | N/A | N/A |
| (Tel Aviv)Hapoel Ramat Yisrael | HaMakhtesh Givatayim | N/A | N/A |
| (Central) Ramla | Bnei Yeechalal Rehovot | N/A | N/A |
| (South) Hapoel Segev Shalom | Maccabi Be'er Sheva | N/A | N/A |
 Italy
*Level 5-8 has been omitted | 2020–21 Serie B | Empoli | Salernitana | 3rd | 2017–18 |
| 2020–21 Serie C | (Group A)Como | Alessandria | 2nd | 1967–68 (Group A) |
| (Group B)Perugia | Padova | 3rd | 1966–67 (Group B) |
| (Group C)Ternana | Catanzaro | 2nd | 1967–68 (Group C) |
| 2020–21 Serie D | Title not assigned |
 Kazakhstan | 2021 Kazakhstan First Division | Aksu | Maktaaral | 1st | — |
 Kosovo | 2020–21 First Football League of Kosovo | (Group A)Malisheva | Dukagjini | 1st | — |
| (Group B)Ulpiana | Flamurtari | 1st | — |
| 2020–21 Second Football League of Kosovo | Fushë Kosova | Rahoveci | 1st | — |
| 2020–21 Third Football League of Kosovo | (Kosovo Plain) Shkëndija Hajvalia | Kosova VR | 1st | — |
| (Dukagjini Plain) Prizreni | Australia Mitrovica | 1st | — |
 Latvia | 2021 Latvian First League | Season Abandoned, due to the COVID-19 pandemic |
| 2021 Latvian Second League | Season Abandoned, due to the COVID-19 pandemic |
 Lithuania | 2021 LFF I Lyga | Šiauliai | Jonava | 1st | — |
| 2021 II Lyga | Ekranas | Be1 NFA | 1st | — |
| 2021 III Lyga | (Alytus) RESE Alytus | Druskininkai | 4th | 2020 (Alytus) |
| (Kaunas-Marijampolė)Tauras | Šturmas Kaunas | 2nd | 2006 (Tauragė) |
| (Klaipėda)Sakuona | Neptūnas (Reserves) | 4th | 2019 (Klaipėda) |
| (Panevėžys) PSSK Atomas | Dembava | 2nd | 2013 (Panevėžys) |
| (Šiauliai) ŠSPC-Radviliškis | Akmenė | 2nd | 2018 (Šiauliai) |
| (Vilnius) IFEX Margiris | Medžiai Vilnius | 2nd | 2020 (Vilnius) |
| 2021 SFL | (Group A)Geležinis Vilkas | Lentvaris | 1st | — |
| (Group B) Nemenčinė-Hegvita | Modulis Pabradė | 2nd | 2012 (Group B2) |
| (Group C) Anykščiai | Spartakas Ukmergė (Reserves) | 1st | — |
| (Group D) Ataka Vilnius | IFEX Margiris (Reserves) | 1st | — |
 Luxembourg | 2020–21 Luxembourg Division of Honour | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Luxembourg 1. Division | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Luxembourg 2. Division | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Luxembourg 3. Division | Season Abandoned, due to the COVID-19 pandemic |
 Malta | 2020–21 Maltese Challenge League | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Maltese National Amateur League | Luqa St. Andrew's | Melita | 1st | — |
 Moldova | 2020–21 Moldovan "A" Division | Bălți | Cahul-2005 | 1st | — |
| 2020–21 Moldovan "B" Division | (North)Ungheni | Codru-Juniori | 1st | — |
| (South) Sporting Trestieni | Saxan | 1st | — |
 Montenegro | 2020–21 Montenegrin Second League | Mornar | Arsenal Tivat | 2nd | 2017–18 |
| 2020–21 Montenegrin Third League | (North)Petnjica | Borac | 2nd | 2010–11 |
| (Center)Mladost DG | Nikšić | 2nd | 2019–20 |
| (South)Cetinje | Orjen | 4th | 2018–19 |
 Netherlands
*Level 6-10 has been omitted | 2020–21 Eerste Divisie | Cambuur | Go Ahead Eagles | 3rd | 2012–13 |
| 2020–21 Tweede Divisie | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Derde Divisie | Season Abandoned, due to the COVID-19 pandemic |
| 2020–21 Hoofdklasse | Season Abandoned, due to the COVID-19 pandemic |
 North Macedonia
*Level 4-5 has been omitted | 2020–21 Macedonian Second Football League | (East)Bregalnica Štip | Tikvesh | 3rd | 2003–04 |
| (West)Skopje | Ohrid | 2nd | 1996–97 (West) |
| 2020–21 Macedonian Third Football League | Season Abandoned, due to the COVID-19 pandemic |
 Northern Ireland
*Level 4-5 has been omitted | 2020–21 NIFL Championship | Season cancelled, due to the COVID-19 pandemic |
| 2020–21 NIFL Premier Intermediate League | Season cancelled, due to the COVID-19 pandemic |
 Norway
*Level 5 has been omitted | 1. divisjon | Hamarkameratene | Aalesund | 6th | 2003 |
| 2. divisjon | (Group 1)Kongsvinger | Hødd | 3rd | 2015 (Group 4) |
| (Group 2)Skeid | Arendal | 5th | 2018 (Group 2) |
| 3. divisjon | (Group 1)Gjøvik-Lyn | Gjelleråsen | 1st | — |
| (Group 2)Ørn Horten | Eik Tønsberg | 1st | — |
| (Group 3)Staal Jørpeland | Sola | 2nd | 2016 (Group 6) |
| (Group 4)Frigg Oslo | Fana | 2nd | 2015 (Group 3) |
| (Group 5)Træff | Spjelkavik | 2nd | 2011 (Group 9) |
| (Group 6)Ullern | Lokomotiv Oslo | 2nd | 2014 (Group 2) |
| 4. divisjon | (Agder 1) Søgne | Vigør | N/A | N/A |
| (Agder 2)Randesund | Jerv (Reserves) | N/A | N/A |
| (Akershus) Skjetten | Eidsvold | N/A | N/A |
| (Buskerud)Vestfossen | Modum | N/A | N/A |
| (Finnmark)Bossekop | HIF/Stein | N/A | N/A |
| (Hordaland 1A)Bremnes | Sund | N/A | N/A |
| (Hordaland 1B)Bergen Nord | Askøy | N/A | N/A |
| (Hordaland 2A) Lyngbø | Arna-Bjørnar | N/A | N/A |
| (Hordaland 2B) Frøya | Nordhordland | N/A | N/A |
| (Hålogaland)Harstad | Sortland | N/A | N/A |
| (Indre Østland 1)Lillehammer | Hamarkameratene (Reserves) | N/A | N/A |
| (Indre Østland 2) Engerdal | Ottestad | N/A | N/A |
| (Nordland)Innstranden | Mosjøen | N/A | N/A |
| (Nordmøre og Romsdal)Tomrefjord | Kristiansund (Reserves) | N/A | N/A |
| (Oslo 1)Grei | Gamle Oslo | N/A | N/A |
| (Oslo 2)Kjelsås (Reserves) | Heming | N/A | N/A |
| (Rogaland 1)Sandnes Ulf (Reserves) | Eiger | N/A | N/A |
| (Rogaland 2)Haugesund (Reserves) | Kopervik | N/A | N/A |
| (Sogn og Fjordane 1) Eid | Måløy | N/A | N/A |
| (Sogn og Fjordane 2) Førde | Stryn | N/A | N/A |
| (Sunnmøre)Hødd (Reserves) | Herd | N/A | N/A |
| (Telemark)Urædd | Stathelle og Omegn | N/A | N/A |
| (Troms) Krokelvdalen | Skarp | N/A | N/A |
| (Trøndelag 1)Levanger (Reserves) | Verdal | N/A | N/A |
| (Trøndelag 2)Steinkjer | Vuku | N/A | N/A |
| (Trøndelag 3) Trygg/Lade | Nardo (Reserves) | N/A | N/A |
| (Trøndelag 4)Kvik | Buvik | N/A | N/A |
| (Vestfold)Sandefjord (Reserves) | Eik Tønsberg (Reserves) | N/A | N/A |
| (Østfold)Sprint-Jeløy | Råde | N/A | N/A |
 Poland | 2020–21 I liga | Radomiak Radom | Bruk-Bet Termalica Nieciecza | 2nd | 1983–84 (Group 2) |
| 2020–21 II liga | Górnik Polkowice | Katowice | N/A | N/A |
| 2020–21 III liga | (Group 1)Pogoń Grodzisk Mazowiecki | Świt Nowy Dwór Mazowiecki | N/A | N/A |
| (Group 2)Radunia Stężyca | Świt Szczecin | N/A | N/A |
| (Group 3)Ruch Chorzów | Polonia Bytom | N/A | N/A |
| (Group 4)Wisła Puławy | Sokół Sieniawa | N/A | N/A |
| 2020–21 IV liga | (Group 1) Lechia Dzierżoniów | Strzegom | N/A | N/A |
| (Group 2) Karkonosze Jelenia Góra | Chrobry Głogów (Reserves) | N/A | N/A |
| (Group 3)Zawisza Bydgoszcz | Włocłavia Włocławek | N/A | N/A |
| (Group 4)Tomasovia Tomaszów Lubelski | Świdniczanka Świdnik | N/A | N/A |
| (Group 5) Carina Gubin | Ilanka Rzepin | N/A | N/A |
| (Group 6)ŁKS Łódź (Reserves) | Warta Sieradz | N/A | N/A |
| (Group 7)Unia Tarnów | Poprad Muszyna | N/A | N/A |
| (Group 8) Wiślanie Jaśkowice | Orzeł Ryczów | N/A | N/A |
| (Group 9)Mławianka Mława | Świt Staroźreby | N/A | N/A |
| (Group 10)Ząbkovia Ząbki | Victoria Sulejówek | N/A | N/A |
| (Group 11) Pilica Białobrzegi | Mazovia Mińsk Mazowiecki | N/A | N/A |
| (Group 12)Ruch Zdzieszowice | Starowice Dolne | N/A | N/A |
| (Group 13) Korona Rzeszów | Izolator Boguchwała | N/A | N/A |
| (Group 14) Wissa Szczuczyn | Tur Bielsk Podlaski | N/A | N/A |
| (Group 15) Stolem Gniewino | Kaszubia Kościerzyna | N/A | N/A |
| (Group 16)Raków Częstochowa | Znicz Kłobuck | N/A | N/A |
| (Group 17)Odra Wodzisław Śląski | Spójnia Landek | N/A | N/A |
| (Group 18) Czarni Połaniec | Moravia Morawica | N/A | N/A |
| (Group 19) Mamry Giżycko | Mrągowia Mrągowo | N/A | N/A |
| (Group 20) Pogoń Nowe Skalmierzyce | Warta Międzychód | N/A | N/A |
| (Group 21) Kluczevia Stargard | Vineta Wolin | N/A | N/A |
 Portugal | 2020–21 Liga Portugal 2 | Estoril | Vizela | 3rd | 2011–12 |
| 2020–21 Campeonato de Portugal | Trofense | Estrela da Amadora | 1st | — |
 Romania | 2020–21 Liga II | U Craiova 1948 | Rapid București | 2nd | 2005–06 (Group 2) |
| 2020–21 Liga III | (Group 1)Bucovina Rădăuți | Foresta Suceava | 1st | — |
| (Group 2)Oțelul Galați | Dacia Unirea Brăila | 3rd | 1980–81 (Group 3) |
| (Group 3)Afumați | Mostiștea Ulmu | 2nd | 2015–16 (Group 3) |
| (Group 4)Steaua București | FCSB II | 1st | — |
| (Group 5)Corona Brașov | SR Brașov | 2nd | 2011–12 (Group 6) |
| (Group 6)Vedița Colonești | Filiași | 1st | — |
| (Group 7)Viitorul Șelimbăr | Măgura Cisnădie | 1st | — |
| (Group 8)Șoimii Lipova | Crișul Chișineu-Criș | 2nd | 1991–92 (Group 11) |
| (Group 9)Cugir | Unirea Dej | 3rd | 1989–90 (Group 11) |
| (Group 10)Minaur Baia Mare | Zalău | 6th | 2014–15 (Group 5) |
 Russia
*Level 4 has been omitted | 2020–21 Russian Football National League | Krylia Sovetov Samara | Orenburg | 2nd | 2014–15 |
| 2020–21 Russian Professional Football League | (Group 1)Kuban Krasnodar | Kuban-Holding | 1st | — |
| (Group 2)Olimp-Dolgoprudny | Zenit-2 Saint Petersburg | 1st | — |
| (Group 3)Metallurg Lipetsk | Ryazan | 5th | 2008 (Centre) |
| (Group 4)KAMAZ | Tyumen | 3rd | 2014–15 (Ural-Povolzhye) |
 Scotland
*Level 5-7 has been omitted | 2020–21 Scottish Championship | Heart of Midlothian | Dundee | 3rd | 2014–15 |
| 2020–21 Scottish League One | Partick Thistle | Airdrieonians | 2nd | 2000–01 |
| 2020–21 Scottish League Two | Queen's Park | Edinburgh City | 2nd | 1999–00 |
 Serbia
*Level 4-7 has been omitted | 2020–21 Serbian First League | Radnički 1923 | Kolubara | 1st | — |
| 2020–21 Serbian League | (Belgrade)Teleoptik | Brodarac | 2nd | 2016–17 |
| (East)Timok | Budućnost Popovac | 2nd | 2011–12 |
| (Vojvodina)Mladost Novi Sad | Vršac | 1st | — |
| (West) Sloga Požega | Jedinstvo Ub | 1st | — |
 Slovakia
*Level 4-8 has been omitted | 2020–21 2. Liga | Tatran Liptovský Mikuláš | Dukla Banská Bystrica | 1st | — |
| 2020–21 3. Liga | (Bratislava)Rohožník | Rača | 1st | — |
| (West)Spartak Myjava | Beluša | 2nd | 2010–11 (West) |
| (Central)Námestovo | Rakytovce | 1st | — |
| (East)Humenné | Odeva Lipany | 1st | — |
 Slovenia | 2020–21 Slovenian Second League | Radomlje | Krka | 2nd | 2015–16 |
| 2020–21 Slovenian Third League | (East)Rogaška | Bistrica | 1st | — |
| (West)Ilirija 1911 | Izola | 2nd | 2015–16 (Centre) |
 Spain
*Level 6-10 has been omitted | 2020–21 Segunda División | Espanyol | Mallorca | 2nd | 1993–94 |
| 2020–21 Segunda División B | (Group 1C)Burgos | Celta de Vigo B | 2nd | 2000–01 (Group A) |
| (Group 2C)Real Sociedad B | Athletic Bilbao B | 1st | — |
| (Group 3C)Ibiza | Barcelona B | 1st | — |
| (Group 4C)Linares Deportivo | UCAM Murcia | 1st | — |
| (Group 5C)Badajoz | San Sebastián de los Reyes | 1st | — |
| 2020–21 Tercera División | (Group 1)Arenteiro | Bergantiños | 1st | — |
| (Group 2)Ceares | Llanera | 1st | — |
| (Group 3)Cayón | Rayo Cantabria | 1st | — |
| (Group 4)Gernika | Real Sociedad C | 1st | — |
| (Group 5)Europa | Vilafranca | 3rd | 1962–63 (Group 7) |
| (Group 6)Eldense | Alzira | 13th | 2013–14 (Group 6) |
| (Group 7)Leganés B | Unión Adarve | 1st | — |
| (Group 8)Gimnástica Segoviana | Palencia Cristo Atlético | 4th | 2005–06 (Group 8) |
| (Group 9)Vélez | Atlético Mancha Real | 2nd | 1991–92 (Group 9) |
| (Group 10)Xerez Deportivo | San Roque de Lepe | 1st | — |
| (Group 11)Ibiza Islas Pitiusas | Andratx | 1st | — |
| (Group 12)Mensajero | Panadería Pulido | 3rd | 2014–15 (Group 12) |
| (Group 13)Águilas | Pulpileño | 1st | — |
| (Group 14)Cacereño | Montijo | 12th | 2016–17 (Group 14) |
| (Group 15)Peña Sport | San Juan | 10th | 2016–17 (Group 15) |
| (Group 16)Racing Rioja | Náxara | 1st | — |
| (Group 17)Teruel | Brea | 4th | 2017–18 (Group 17) |
| (Group 18)Marchamalo | Calvo Sotelo Puertollano | 1st | — |
 Sweden
*Level 5-10 has been omitted | 2021 Superettan | Värnamo | Sundsvall | 1st | — |
| 2021 Division 1 | (Norra)Brommapojkarna | Dalkurd | 2nd | 2016 (Norra) |
| (Södra)Utsikten | Skövde | 2nd | 2014 (Södra) |
| 2021 Division 2 | (Norrland)Team TG | Friska Viljor | N/A | N/A |
| (Norra Svealand) Stockholm Internazionale | Karlberg | N/A | N/A |
| (Södra Svealand)Motala | United Nordic | N/A | N/A |
| (Norra Götaland)Oddevold | Forward | N/A | N/A |
| (Södra Götaland)Olympic | Hässleholm | N/A | N/A |
| (Västra Götaland)Ängelholm | Eskilsminne | N/A | N/A |
 Switzerland
*Level 6-9 has been omitted | 2020–21 Swiss Challenge League | Grasshoppers | Thun | 2nd | 1950–51 |
| 2020–21 Swiss Promotion League | Yverdon-Sport | Cham | 1st | — |
| 2020–21 Swiss 1. Liga | (Group 1)Young Boys (Reserves) | Chênois | 2nd | 2017–18 |
| (Group 2)Biel-Bienne | Baden | 3rd | 2005–06 |
| (Group 3) Wettswil-Bonstetten | Tuggen | 2nd | 2014–15 (Group 3) |
| 2020–21 2. Liga Interregional | (Group 1)Monthey | Servette (Reserves) | N/A | N/A |
| (Group 2) La Sarraz-Eclépens | Fribourg | N/A | N/A |
| (Group 3)Thun (Reserves) | Ajoie-Monterri | N/A | N/A |
| (Group 4) Team Ticino U21 | Taverne | N/A | N/A |
| (Group 5)Freienbach | Lachen/Altendorf | N/A | N/A |
| (Group 6) Uzwil | Kreuzlingen | N/A | N/A |
 Turkey
*Level 5-8 has been omitted | 2020–21 TFF First League | Adana Demirspor | Giresunspor | 4th | 1990–91 (Group C) |
| 2020–21 TFF Second League | (White)Manisa | Hekimoğlu Trabzon | 1st | — |
| (Red)Eyüpspor | Sakaryaspor | 1st | — |
| 2020–21 TFF Third League | (Group 1) Diyarbekirspor 1977 | Bucaspor 1928 | 1st | — |
| (Group 2)Nazilli Belediyespor | Belediye Kütahyaspor | 4th | 2011–12 (Group 2) |
| (Group 3) Somaspor | Esenler Erokspor | 1st | — |
| (Group 4) Adıyaman | Bursa Yıldırımspor | 1st | — |
 Ukraine
*Level 4-8 has been omitted | 2020–21 Ukrainian First League | Veres Rivne | Chornomorets Odesa | 2nd | 1992 (Group A) |
| 2020–21 Ukrainian Second League | Metal Kharkiv | Podillya Khmelnytskyi | 1st | — |
 Wales
*Level 4-10 has been omitted | 2020–21 Cymru North | Season cancelled, due to the COVID-19 pandemic |
| 2020–21 Cymru South | Season cancelled, due to the COVID-19 pandemic |
| 2020–21 Ardal Leagues | Season cancelled, due to the COVID-19 pandemic |
| 2020–21 Welsh Alliance League | Season cancelled, due to the COVID-19 pandemic |
Japan
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RFU
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