Surname Basmadzhyan (Basmadzhyan 
, Басмаджян 
) , all around the world, is a very rare family name. The surname Basmadzhyan is characteristic of Armenia, where it is a rare surname, Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Basmadzhyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Basmadzhyan | United States, Canada, Russia |
| Басмаджян | Armenia, Russia, Ukraine |