Cognomen Zhylkybaev (Жилкибаев 
, Zhylkybaev , Жилкыбаев ) , across the world, is quite a rare family name. The last name Zhylkybaev is characteristic of Azerbaijan, where it is quite a rare surname, Kazakhstan, and Kyrgyzstan, where it is a rare surname. In absolute terms, the name is most common in Kazakhstan, Azerbaijan, and Russia. Very seldom, Zhylkybaev is the forename as well as the last name.