Surname Gamash (Gamash 
) , in the world, is a very rare family name. The cognomen Gamash is characteristic of Belgium, where it is a very rare surname, Israel, and the United States, where it is an extremely rare surname. Very seldom, Gamash is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gamash | Canada, United States, Israel, India, Belgium |