Surname Илюбай (Илюбай 
) , all over the world, is an extremely rare family name. The surname Илюбай is habitual in Central Asia, particularly Kyrgyzstan, where it is a very rare surname. Predominantly, Илюбай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Илюбай | Kyrgyzstan, Kazakhstan, Russia |