Last name Магтахян (Магтахян 
) , around the world, is an extremely rare cognomen. The cognomen Магтахян is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname. Much more prevalently, Магтахян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Магтахян | Armenia, Russia |