Throughout the world, Амбарцумян (Амбарцумян 
, Hambardzumyan 
, Ambarcumjan, among others...) is an extremely rare unknown gender forename. Much more frequently, Амбарцумян is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Амбарцумян | Kazakhstan, Ukraine, Belarus, Russia, Armenia |
| Hambardzumyan | Spain, Latvia, United States, Russia, Armenia |
| Ambarcumian | Georgia, Lithuania |
| Ambartsumian | Germany, Belarus, Georgia, United States, Russia |
| Ambartsoumian | Canada, United States, France, Brazil |
| Ambartsumyan | Belarus, United States, France, Russia, Armenia |
Ambarcumyan, Ambarczumyan, Ambartcumian, Ambartsumjan, Ambartzumian, and Ambarzumjan