Cognomen Gamarras (Gamarras 
) , in the world, is a very rare surname. The surname Gamarras is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Venezuela, and Mexico, where it is an extremely rare surname. Very seldom, Gamarras is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gamarras | Mexico, Venezuela, United States, Argentina, Colombia |