Surname Mikhayelyan (Mikhayelyan 
, Михаелян 
) , across the world, is a rare cognomen. The last name Mikhayelyan is habitual in Eastern Europe, particularly Russia, where it is a rare surname, Bulgaria, and Belarus, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mikhayelyan | United States |
| Михаелян | Kazakhstan, Belarus, Ukraine, Russia, Bulgaria |