Cognomen Магдесьян (Магдесьян 
, Magdesian 
, Magdesyan 
) , in the world, is a rare last name. The surname Магдесьян is habitual in Russia, where it is a very rare surname, Greece, and Georgia. In absolute terms, the name is most common in Russia, the United States, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Магдесьян | Russia |
| Magdesian | Brazil, Argentina, Georgia, Canada, United States |
| Magdesyan | Canada, Russia, United States, Greece |