Worldwide, Kayayev (Каяев , Kayayev ) is an extremely rare unknown gender given name. Much more frequently, Kayayev is the last name as well as the forename.
Кайаев
Yani, Kamol, Mazhid, Mirali, and Dilfaz
, Kayayev 
) is an extremely rare unknown gender given name. Much more frequently, Kayayev is the last name as well as the forename.