Surname Давудян (Давудян 
, Davudian 
, Davudyan 
) , throughout the world, is a very rare last name. The surname Давудян is habitual in Armenia, where it is a rare surname, Belgium, and Russia, where it is a very rare surname. Also, Давудян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Давудян | Armenia, Russia, Ukraine |
| Davudian | Belgium |
| Davudyan | Armenia, United States |