Last name Гамазян (Гамазян 
) , in all the world, is a very rare cognomen. The family name Гамазян is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname. More prevalently, Гамазян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Гамазян | Armenia, Russia |