Surname Kuljas (Kuljas 
, Куляс 
) , in all the world, is quite a rare cognomen. The last name Kuljas is characteristic of Ukraine, where it is quite a rare surname, Moldova, and Estonia, where it is a rare surname. In absolute terms, it is the most numerous in Eastern Europe, particularly Ukraine, Russia, and Moldova. Much less frequently, Kuljas is the forename as well as the last name.