Surname Томоян (Томоян 
) , all around the world, is a very rare cognomen. The family name Томоян is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Also, Томоян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Томоян | Armenia, Russia, Ukraine |