Surname Kulbayeva (Кулбаева 
, Кульбаева , Kulbayeva 
) , in the entire world, is quite a rare last name. The family name Kulbayeva is characteristic of Kazakhstan, where it is quite a common surname, Kyrgyzstan, and Azerbaijan, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Kazakhstan, Russia, and Kyrgyzstan. Very seldom, Kulbayeva is the forename as well as the last name.