In the world, Аюбай (Аюбай 
, Ayubai 
) is a rare epicene forename. The first name Аюбай is characteristic of Azerbaijan, where it is quite a rare male name, Uzbekistan, where it is a rare masculine name, and Kazakhstan. Not in comparison with a country's population, it is commonest in India, Azerbaijan, and Uzbekistan. Much less frequently, Аюбай is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Аюбай | Kazakhstan, Uzbekistan, Azerbaijan |
| Ayubai | India, Nigeria |