Cognomen Gumushyan (Gumushyan 
) , in all the world, is an extremely rare last name. The surname Gumushyan is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Very seldom, Gumushyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gumushyan | United States |