Surname Гарушян (Гарушян 
) , in the entire world, is a very rare cognomen. The last name Гарушян is characteristic of Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Likewise, Гарушян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Гарушян | Armenia, Russia, Ukraine |