Cognomen Қойлыбаев (Қойлыбаев 
) , around the globe, is an extremely rare family name. The surname Қойлыбаев is habitual in Central Asia, particularly Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Қойлыбаев | Kazakhstan |
Koilybaev, and Koilybayev