Throughout the world, Gereng (Gereng 
, Геренг 
) is a very rare boy's forename. The first name Gereng is characteristic of Indonesia, where it is a very rare masculine name, and Nigeria, where it is an extremely rare boy's name. Very seldom, Gereng is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gereng | Germany, Indonesia, Malaysia, Nigeria, Argentina |
| Геренг | Kazakhstan, Russia |