Family name Hamojan (Hamojan 
, Хамоян 
) , in the entire world, is a rare last name. The cognomen Hamojan is characteristic of Russia, where it is a rare surname, Morocco, where it is a very rare surname, and Ukraine. Very seldom, Hamojan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hamojan | Morocco, India |
| Хамоян | Russia, Ukraine |