Turkish-speaking countries. List of countries, nations and states with an official language of Turkish. Countires where the official language is Turkish, including republics with multiple official languages, is alphabetical. Countires where Turkish is spoken as the official language is also sortable by column. You may be surprised to learn what countries that use Turkish as their main language. Obviously Turkey is at the top of the list since it is their language. But you may be surprised to learn what other countries use the language.What countries speak Turkish? Take a look at this list and see for yourself where Turkish is used.