Globally, Kulbaev (Кулбаев , Кульбаев , Kulbaev ) is an extremely rare boy's first name. Much more prevalently, Kulbaev is the last name as well as the forename.
Кулбаёв, Қулбаев, and Құлбаев
Mr, Ayan, Marat, Miran, Murat, Sabyr, Serik, Almas, Damir, Timur, Erlan, Einar, Adilzhan, Bekzat, Nurlan, and Seitbek
, Кульбаев 
) is an extremely rare boy's first name. Much more prevalently, Kulbaev is the last name as well as the forename.