Cognomen Жамалбай (Жамалбай 
) , globally, is an extremely rare surname. The last name Жамалбай is characteristic of Central Asia, particularly Kyrgyzstan, where it is a very rare surname. More prevalently, Жамалбай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Жамалбай | Kyrgyzstan, Kazakhstan |