Olympiad Archive

Here is a list of links to High School and College National Olympiads and Competitions on Science (mainly Mathematics) all over the world, in different languages.

NOTE. This page is incomplete. If you want to add a link, either add it to the table or post it in this topic.

National Olympiads/Competitions

Country	Olympiad Description and Link	Subject	Language
Argentina	Full Archive of Mathematical Olympiad Problems	Mathematics	Spanish
Canada	Canadian Mathematical Olympiad w/ Solutions Canadian Open Mathematics Challenge Other Canadian Competitions	Mathematics	English
India	All Indian National Olympiad Problems w/ Solutions	Astronomy Biology Checmistry Junior Science Mathematics Physics	English
Iran	Iranian National Olympiad Problems w/ Solutions (Farsi) Iranian Geometry Olympiad Problems w/ Solutions (English)	Mathematics	English Farsi
Romania	Contests and Olympiads in Romania locala means city phase, judeteana means county, and nationala means national. The Concursuri interjudetene section is dedicated to contests around the country.	Mathematics	Romanian
Russia	Sharygin Geometry Olympiad 2007-2017 w/ Solutions (English) Oral Sharygin Geometry Olympiad w/ Solutions (Russian) All Russian MO (Russian) Moscow Olympiad w/ Solutions (Russian)	Science (Math, Comp. Sci., Phys., Chem., Bio., Geo., Astro.) Language (RU, EN, DE, FR, SP, IT, CH) Art, Literature, History,...	English Russian
Spain	Spain Mathematical Olympiad Problems w/ Solutions	Mathematics	Spanish
USA	Competition Subject AIME (American Invitational Mathematics Examination) Mathematics AMC 8 Mathematics AMC 10 Mathematics AMC 12/AHSME Mathematics BAMO (Bay Area Math Olympiad) Mathematics USAMO (United States of America Mathematical Olympiad) Mathematics MOP (Mathematical Olympiad Summer Program) Mathematics ELMO Mathematics USNCO (United States National Chemistry Olympiad) Chemistry	Mathematics Chemistry	English

International Olympiads/Competitions

Olympiad Description and Link	Subject	Language
EMIC (Elementary Mathematics International Competition)	Mathematics	English
AITMO/ITMO ([Asian] International Teenagers Mathematical Olympiad) Directory of Problems 2005 - 2017 (every two years, except 2007) w/ Solutions	Mathematics	English Taiwanese
IMO (International Mathematical Olympiad) Exam Problems and the Shortlist w/ Solutions	Mathematics	All languages
IWYMIC (The International World Youth Mathematics Intercity Competition) All Problems Since 1999 w/ Solutions	Mathematics	English