Surname Жиынбай (Жиынбай 
) , in all the world, is an extremely rare family name. The family name Жиынбай is characteristic of Central Asia, particularly Kazakhstan, where it is a very rare surname. Likewise, Жиынбай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Жиынбай | Kazakhstan |