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 | Canada, Argentina, Georgia, United States, Brazil |
| Magdesyan | Russia, Canada, Greece, United States |