Last name Toukai (Тукай 
, Toukai 
) , around the world, is a rare cognomen. The cognomen Toukai is habitual in Belarus, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Kazakhstan, where it is a very rare surname. In absolute terms, this name is the most popular in Eastern Europe, particularly Belarus, Russia, and Ukraine. Much less frequently, Toukai is the forename as well as the last name.