Cognomen Oljabaeva (Олжабаева 
, Oljabaeva) , all over the world, is quite a rare surname. The cognomen Oljabaeva is characteristic of Kazakhstan, where it is quite a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. Very seldom, Oljabaeva is the forename as well as the last name.