The list below provides information on the availability of linguistics problems from various national contests. You might find it helpful to give some of them a try before participating in the Olympiad.
- Australia: contest + past problems in English.
- Azerbaijan: contest.
- Belarus: contest.
- Brazil: contest + past problems in Portuguese.
- Bulgaria: contest + past problems in Bulgarian.
- China: contest.
- Colombia: contest.
- Czechia: contest + past problems in Czech.
- Denmark: contest + past problems in Danish.
- Estonia: contest + past problems in Estonian and Russian.
- Finland: contest.
- Germany: contest.
- Hong Kong: contest + past problems in English.
- Hungary: contest + past problems in Hungarian.
- India: contest + past problems in English.
- Ireland: contest + past problems in English.
- Japan: contest + past problems in Japanese.
- Kazakhstan: contest + past problems in Russian.
- Latvia: contest + past problems in Latvian, Russian, and English.
- Malaysia: contest.
- Nepal: contest + past problems in English.
- Netherlands: contest + past problems in Dutch.
- Norway: contest.
- Pakistan: contest.
- Poland: contest + past problems in Polish.
- Republic of Korea: contest + past problems in Korean.
- Republic of Moldova: contest.
- Romania: contest.
- Russia: contest + past problems in Russian.
- Singapore: contest.
- Slovenia: contest + past problems in Slovenian.
- Switzerland: contest + past problems in German, French and Italian.
- Taiwan: contest + past problems in Chinese and English.
- Thailand: contest + past problems in Thai.
- Turkey: contest.
- UK: contest + past problems in English.
- Ukraine: contest + past problems in Ukrainian and Russian.
- USA and Canada (anglophone): contest + past problems in English.
A few dozen linguistics problems translated into multiple languages are available on the International Linguistics Olympiad’s website: ioling.org. The IOL consists of an individual and a team contest, and the team contest has featured a few (rather difficult) multimedia problems over the years.
Another major international competition is APLO (Asia Pacific Linguistics Olympiad) with past problems available in English, Chinese, Japanese, Korean, Bangla, Malaysian, Nepali, Russian, Spanish, and Ukrainian.