Cognomen Idelbayev (Idelbayev 
, Иделбаев , Идельбаев 
) , in the world, is a rare surname. The family name Idelbayev is habitual in Russia, where it is a rare surname, Kazakhstan, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Idelbayev | Russia, United States |
| Иделбаев | Russia |
| Идельбаев | Kazakhstan, Russia |