Cognomen Efremian (Ефремян 
, Efremian 
) , worldwide, is a rare surname. The surname Efremian is habitual in Russia, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Canada, where it is an extremely rare surname. Very seldom, Efremian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ефремян | Kazakhstan, Armenia, Russia |
| Efremian | Canada, United States |