Around the globe, Gremmer (Gremmer 
) is a very rare unisex first name. The forename Gremmer is habitual in South-eastern Asia, particularly Philippines, where it is a very rare male name. Much more frequently, Gremmer is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gremmer | Germany, South Africa, Philippines, United States, Netherlands |