Family name Erojan (Ероян 
, Erojan 
) , globally, is a rare last name. The surname Erojan is characteristic of Eastern Europe, particularly Russia, where it is a rare surname, and Ukraine, where it is an extremely rare surname. Likewise, Erojan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ероян | Russia, Armenia, Ukraine |
| Erojan | Brazil, India |