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

International mathematics competitions

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.

Multinational regional mathematics competitions

Asian Pacific Mathematics Olympiad (APMO) — Pacific rim
Balkan Mathematical Olympiad — for students from Balkan area
Baltic Way — Baltic area
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 five Nordic 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

National mathematics olympiads

Australia

Australian Mathematics Competition

Bangladesh

Bangladesh Mathematical Olympiad (Jatio Gonit Utshob)

Belgium

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

Brazil

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

Canada

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 by Canadian Mathematical Society
Canadian Mathematical Olympiad — competition whose top performers represent Canada at the International Mathematical Olympiad
The Centre for Education in Mathematics and Computing (CEMC) based out of the University of Waterloo hosts long-standing national competitions for grade levels 7–12^[1]^[2]
MathChallengers (formerly MathCounts BC) — for eighth, ninth, and tenth grade students

China

Chinese Mathematical Olympiad [zh] (CMO)

France

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

Indonesia

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

Kenya

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

Nigeria

Cowbellpedia. This contest is sponsored by Promasidor Nigeria. It is open to students from eight to eighteen, at public and private schools in Nigeria.

Russia

Moscow Mathematical Olympiad (Московская математическая олимпиада [ru]) – founded in 1935 making it a precursor of the International Mathematical Olympiad

Saudi Arabia

KFUPM mathematics olympiad – organized by King Fahd University of Petroleum and Minerals (KFUPM).

Singapore

Singapore Mathematical Olympiad (SMO) — organized by the Singapore Mathematical Society, the competition is open to all pre-university students in Singapore.

South Africa

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

United States

SC Mathematic Competition (SCMC) — based California, RSO@USC, United States

National elementary school competitions (K–5) and higher

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)

National middle school competitions (grades 6–8) and lower/higher

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)
Rocket City Math League (pre-algebra to calculus)
United States of America Mathematical Talent Search (USAMTS)

National high school competitions (grade 9–12) and lower

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
United States of America Mathematical Olympiad (USAMO)
United States of America Mathematical Talent Search (USAMTS)
Rocket City Math League (pre-algebra to calculus)

National college competitions

Regional competitions

SC Mathematic Competition (SCMC) — based California, RSO@USC, United States

Main article: List of United States regional mathematics competitions

References

^ "Canadian Competitions". cms.math.ca. Canadian Mathematical Society. Retrieved 26 April 2018.
^ "Mathematics and Computing Contests". cemc.uwaterloo.ca. CEMC. Retrieved 26 April 2018.