Last name Kuyat (Kuyat 
, Куят 
) , in the world, is a rare surname. The cognomen Kuyat is habitual in Kazakhstan, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine. In absolute terms, it most frequently occurs in the United States, Russia, and Kazakhstan. Much less frequently, Kuyat is the forename as well as the last name.