Across the world, Boulan (Булан 
, Boulan 
) is a rare primarily boy's, but very seldom feminine forename. The first name Boulan is habitual in Kyrgyzstan, where it is quite a rare male name, Azerbaijan, and Kazakhstan, where it is a rare primarily male, but very seldom female name. More frequently, Boulan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Булан | Kazakhstan, Russia, Kyrgyzstan, Azerbaijan, Ukraine |
| Boulan | Poland, France, United States, Argentina, Morocco |