Last name Hahian (Hahian 
, Хахян 
) , worldwide, is a very rare family name. The surname Hahian is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname. Much less frequently, Hahian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hahian | United States |
| Хахян | Russia |