Last name Oljabaev (Олжабаев 
, Oljabaev ) , all around the world, is quite a rare surname. The last name Oljabaev is characteristic of Kazakhstan, where it is quite a rare surname, Azerbaijan, and Kyrgyzstan, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Kazakhstan, Azerbaijan, and Russia. Very seldom, Oljabaev is the forename as well as the last name.