In the entire world, Дуанбай (Дуанбай 
) is a rare boy's forename. The forename Дуанбай is habitual in Azerbaijan, where it is quite a rare masculine name, and Kazakhstan, where it is a rare male name. Very seldom, Дуанбай is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Дуанбай | Azerbaijan, Kazakhstan |