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 | Malaysia, Argentina, Nigeria, Germany, Indonesia |
| Геренг | Russia, Kazakhstan |