Surname Кушбак (Кушбак 
) , around the globe, is a rare cognomen. The family name Кушбак is characteristic of Kyrgyzstan, where it is quite a rare surname, and Russia, where it is a very rare surname. Likewise, Кушбак is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кушбак | Kyrgyzstan, Russia |