Mathematics competitions ormathematical olympiads are competitive events where participants complete amath test. These tests may require multiple choice or numeric answers, or a detailed written solution or proof.

• Championnat International de Jeux Mathématiques et Logiques — for all ages, mainly for French-speaking countries, but participation is not limited by language.
• China Girls Mathematical Olympiad (CGMO) — held annually for teams of girls representing different regions within China and a few other countries.
• European Girls' Mathematical Olympiad (EGMO) — since April 2012
• Integration Bee — competition in integral calculus held in various institutions of higher learning in the United States and some other countries
• International Mathematical Modeling Challenge — team contest for high school students
• International Mathematical Olympiad (IMO) — the oldest international Olympiad, occurring annually since 1959.
• International Mathematics Competition for University Students (IMC) — international competition for undergraduate students.
• Mathematical Contest in Modeling (MCM) — team contest for undergraduates
• Mathematical Kangaroo — worldwide competition.
• Mental Calculation World Cup — contest for the best mental calculators
• Primary Mathematics World Contest (PMWC) — worldwide competition
• Rocket City Math League (RCML) — Competition run by students at Virgil I. Grissom High School with levels ranging from Explorer (Pre-Algebra) to Discovery (Comprehensive)
• Romanian Master of Mathematics and Sciences — Olympiad for the selection of the top 20 countries in the last IMO.
• Tournament of the Towns — worldwide competition based in Russia.
• TheSUPERTMATIK Mental Math International Competition — worldwide competition, Grades 1 - 9.

• Asian Pacific Mathematics Olympiad (APMO) — Pacific rim
• Balkan Mathematical Olympiad — for students fromBalkan area
• Baltic Way —Baltic sea regions
• ICAS-Mathematics (formerly Australasian Schools Mathematics Assessment)
• Mediterranean Mathematics Competition. Olympiad for countries in the Mediterranean zone.
• Noetic Learning math contest — United States and Canada (primary schools)
• Nordic Mathematical Contest (NMC) — the fiveNordic countries
• North East Asian Mathematics Competition (NEAMC) — North-East Asia
• Pan African Mathematics Olympiads (PAMO)
• South East Asian Mathematics Competition (SEAMC) — South-East Asia
• William Lowell Putnam Mathematical Competition — United States and Canada

• Australian Mathematics Competition
• Australian Mathematics Olympiad - Invite-only competition for top performing students in Australia. Used to select the individuals who will sit the team selection test for the opportunity to represent Australia at theInternational Mathematical Olympiad^[1]

• Bangladesh Mathematical Olympiad (Jatiyo Gonit Utshob)^[2]

• Olympiade Mathématique Belge — competition for French-speaking students in Belgium
• Vlaamse Wiskunde Olympiade — competition for Dutch-speaking students in Belgium

• Olimpíada Brasileira de Matemática (OBM) — national competition open to all students from sixth grade to university
• Olimpíada Brasileira de Matemática das Escolas Públicas (OBMEP) — national competition open to public-school students from fourth grade to high school

• Canadian Open Mathematics Challenge — Canada's premier national mathematics competition open to any student with an interest in and grasp of high school math and organised byCanadian Mathematical Society
• Canadian Mathematical Olympiad (CMO) — competition whose top performers represent Canada at theInternational Mathematical Olympiad
• TheCentre for Education in Mathematics and Computing (CEMC) based out of theUniversity of Waterloo hosts long-standing national competitions for grade levels 7–12^[3][4]
• MathChallengers (formerly MathCounts BC) — for eighth, ninth, and tenth grade students

• Chinese Mathematical Olympiad (CMO)

• Concours général — competition whose mathematics portion is open to twelfth grade students

• Hong Kong Mathematics Olympiad
• Hong Kong Mathematical High Achievers Selection Contest — for students from Form 1 to Form 3
• Pui Ching Invitational Mathematics Competition
• Primary Mathematics World Contest

• Miklós Schweitzer Competition
• Középiskolai Matematikai Lapok — correspondence competition for students from 9th–12th grade
• National Secondary School Academic Competition – Mathematics

• National Mathematics Talent Contests
• Indian Olympiad Qualifier in Mathematics
• Regional Mathematical Olympiad
• Indian National Mathematical Olympiad

• National Science Olympiad (Olimpiade Sains Nasional) — includes mathematics along with various science topics

• Moi National Mathematics Contest — prepared and hosted byMang'u High School but open to students from all Kenyan high schools

• Cowbellpedia — sponsored byPromasidor Nigeria, open to students from eight to eighteen, at public and private schools in Nigeria.

• Philippine Math Olympiad, the selection event of theMathematical Society of the Philippines for the Philippine IMO team

• KFUPM mathematics olympiad – organized byKing Fahd University of Petroleum and Minerals (KFUPM).

• Singapore Mathematical Olympiad (SMO) — organized by the Singapore Mathematical Society, the competition is open to all pre-university students in Singapore.
• Singapore and Asian Schools Math Olympiad (SASMO) Since 2006.^[5][6]

• University of Cape Town Mathematics Competition — open to students in grades 8 through 12 in theWestern Cape province.

• Math League (grades 4–12)
• Mathematical Olympiads for Elementary and Middle Schools (MOEMS) (grades 4–6 and 7–8)
• Noetic Learning math contest (grades 2-8)
• Pi Math Contest (for elementary, middle and high school students)

• American Mathematics Contest 8 (AMC->8), formerly the American Junior High School Mathematics Examination (AJHSME)
• Math League (grades 4–12)
• MATHCOUNTS
• Mathematical Olympiads for Elementary and Middle Schools (MOEMS)
• Noetic Learning math contest (grades 2-8)
• Pi Math Contest (for elementary, middle and high school students)
• Rocket City Math League (pre-algebra to calculus)
• United States of America Mathematical Talent Search (USAMTS)

• American Invitational Mathematics Examination (AIME)
• American Mathematics Contest 10 (AMC10)
• American Mathematics Contest 12 (AMC12), formerly the American High School Mathematics Examination (AHSME)
• American Regions Mathematics League (ARML)
• Harvard-MIT Mathematics Tournament (HMMT)
• iTest
• High School Mathematical Contest in Modeling (HiMCM)
• Math League (grades 4–12)
• Math-O-Vision (grades 9–12)
• Math Prize for Girls
• MathWorks Math Modeling Challenge
• Mu Alpha Theta
• Pi Math Contest (for elementary, middle and high school students)
• United States of America Mathematical Olympiad (USAMO)
• United States of America Mathematical Talent Search (USAMTS)
• Rocket City Math League (pre-algebra to calculus)

• AMATYC Mathematics Contest
• Mathematical Contest in Modeling (MCM)
• William Lowell Putnam Mathematical Competition

• Liga Matemática, mathematics competition organized by the National Association of Mathematics Students

• Kì thi Học sinh giỏi Quốc gia môn Toán — hosted annually byVietnamese Ministry of Education and Training for high-schoolers around the nation. Consists of 2 rounds, the best-scorers of Round 1 will proceed to Round 2 in order to qualify for the country's various math Olympiads teams.^[7]

• Competitive programming
• Mathematical software
• Project Euler —computational mathematics andcomputer programmingproblem solving website

• Mathematics-related lists
• Mathematics competitions
• Lists of competitions

• Articles with short description
• Short description is different from Wikidata
• Use dmy dates from December 2023