Last name Межлумян (Межлумян 
, Mezhlumyan 
, Mezhlumian ) , in all the world, is a rare family name. The surname Межлумян is habitual in Armenia, where it is quite a rare surname, Russia, where it is a rare surname, and Ukraine. Likewise, Межлумян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Межлумян | Russia, Armenia, Kazakhstan, Ukraine |
| Mezhlumyan | Spain, Armenia, United States, Russia, Czechia |
| Mezhlumian | Russia |
| Mejlumian | Georgia |