Last name Bazarbay (Базарбай 
, Базарбаи , Bazarbay 
) , worldwide, is quite a rare cognomen. The last name Bazarbay is characteristic of Kyrgyzstan, where it is quite a common surname, Kazakhstan, where it is quite a rare surname, and Russia, where it is a rare surname. More frequently, Bazarbay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Базарбай | Uzbekistan, Kazakhstan, Russia, Azerbaijan, Kyrgyzstan |
| Базарбаи | Russia, Kyrgyzstan, Kazakhstan |
| Bazarbay | Uzbekistan, United States, Kazakhstan |