Cognomen Dombayan (Домбаян 
, Dombayan 
) , all around the world, is a rare family name. The family name Dombayan is characteristic of Russia, where it is a rare surname, Canada, where it is an extremely rare surname, and Ukraine. Much less frequently, Dombayan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Домбаян | Armenia, Russia, Ukraine |
| Dombayan | Canada, Russia, United States |