All around the world, Gerr (Gerr 
, Garrano 
, Gjer 
) is a very rare unisex forename. The forename Gerr is characteristic of Italy, where it is a very rare girly name, Philippines, where it is a very rare dominantly boy's, but seldom feminine name, and Indonesia, where it is a very rare male name. More frequently, Gerr is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gerr | Germany, Indonesia, Philippines, United States, Democratic Republic of the Congo |
| Garrano | Portugal, Italy, United States, France, Brazil |
| Gjer | North Macedonia, Thailand |
| Герр | Kyrgyzstan, Kazakhstan, Russia, Ukraine |