Family name Adzhabyan (Аджабян 
, Adzhabyan 
) , all around the world, is a very rare cognomen. The last name Adzhabyan is habitual in Russia, where it is a very rare surname, Ukraine, where it is an extremely rare surname, and the United States. Much less frequently, Adzhabyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Аджабян | Ukraine, Russia |
| Adzhabyan | Russia, United States |