Cognomen Прошян (Прошян 
, Proshian 
) , across the world, is a very rare surname. The last name Прошян is habitual in Georgia, where it is a very rare surname, and Russia. More prevalently, Прошян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Прошян | Armenia, Russia |
| Proshian | Georgia |