Last name Дилбарян (Дилбарян 
, Dilbaryan 
, Dilbarian 
) , in all the world, is a rare family name. The family name Дилбарян is habitual in Armenia, where it is quite a rare surname, Georgia, and Belarus, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Russia, Georgia, and Armenia. Also, Дилбарян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Дилбарян | Kazakhstan, Ukraine, Belarus, Armenia, Russia |
| Dilbaryan | Russia, United States, Armenia |
| Dilbarian | Georgia, United States |