Across the world, Zefer (Zefer 
, Зефэр 
, Зэфэр 
) is a rare boy's given name. The forename Zefer is characteristic of Azerbaijan, where it is quite a rare male name, Ethiopia, where it is a rare male name, and Russia, where it is a very rare masculine name. Very seldom, Zefer is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Zefer | Ethiopia, Azerbaijan, Pakistan, Syria, Brazil |
| Зефэр | Kazakhstan, Russia |
| Зэфэр | Russia, Kyrgyzstan |
| Зэфер | Russia |