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.
- Bangladesh: contest.
- Belarus: contest.
- Brazil: contest + past problems in Portuguese.
- Bulgaria: contest + past problems in Bulgarian.
- China: contest + past problems in Chinese.
- Czechia: contest + past problems in Czech.
- Denmark: contest + past problems in Danish.
- Estonia: contest + past problems in Estonian and Russian.
- Finland: contest.
- Hong Kong: contest.
- Hungary: contest + past problems in Hungarian.
- India: contest + past problems in English.
- Ireland: contest + past problems in English.
- Isle of Man: contest.
- Japan: contest.
- Kazakhstan: contest.
- Latvia: contest + past problems in Latvian, Russian, and English.
- Malaysia: contest.
- Nepal: contest + past problems in Nepali and English.
- Netherlands: contest + past problems in Dutch.
- New Zealand: contest.
- Pakistan: contest.
- Poland: contest + past problems in Polish.
- Republic of Korea: contest + past problems in Korean.
- Romania: contest + past problems in Romanian.
- Russia: contest + past problems in Russian.
- Singapore: contest.
- Slovenia: contest + past problems in Slovenian.
- Spain: contest + past problems in Spanish, Catalan, Basque, and Galician.
- Sweden: contest + past problems in Swedish.
- Taiwan: contest.
- Turkey: contest.
- UAE: contest.
- UK: contest + past problems in English.
- Ukraine: contest + past problems in Ukrainian and Russian.
- USA and Canada: 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.