Surname Юсупбай (Юсупбай 
) , in the entire world, is an extremely rare family name. The family name Юсупбай is characteristic of Central Asia, particularly Kyrgyzstan, where it is a rare surname, and Kazakhstan, where it is a very rare surname. Predominantly, Юсупбай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Юсупбай | Turkey, Uzbekistan, Kazakhstan, Russia, Kyrgyzstan |