Cognomen Astadourian (Astadourian 
, Астадурьян 
, Астадурян 
) , worldwide, is a rare last name. The family name Astadourian is characteristic of Bulgaria, where it is a rare surname, Russia, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Astadourian | United States |
| Астадурьян | Russia |
| Астадурян | Russia, Bulgaria |