Family name Oljas (Олжас 
, Oljas 
) , in all the world, is a very rare last name. The surname Oljas is habitual in Kyrgyzstan, where it is a rare surname, Kazakhstan, and Georgia, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Kyrgyzstan, Kazakhstan, and Russia. Much more frequently, Oljas is the forename as well as the last name.