Cognomen Turgunbay (Тургунбай 
, Тургунбаи , Turgunbay 
) , globally, is quite a rare last name. The cognomen Turgunbay is habitual in Kyrgyzstan, where it is quite a common surname, and Russia, where it is a very rare surname. Also, Turgunbay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Тургунбай | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| Тургунбаи | Russia |
| Turgunbay | United States |