Cognomen Tarkhanyan (Тарханян 
, Tarkhanyan 
) , in the world, is a rare last name. The last name Tarkhanyan is habitual in Armenia, where it is a rare surname, Russia, and Ukraine, where it is a very rare surname. Very seldom, Tarkhanyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Тарханян | Russia, Ukraine |
| Tarkhanyan | Armenia, Russia, Canada, United States, Greece |