Cognomen Ясоян (Ясоян 
) , worldwide, is a very rare last name. The cognomen Ясоян is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Also, Ясоян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ясоян | Ukraine, Russia, Armenia |