Last name Хачоиан (Хачоиан 
) , globally, is a very rare family name. The cognomen Хачоиан is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Хачоиан | Russia |
Chachoian, Khachoian, Khachoyan, Khatchoian, and Xachoian