Cognomen Khachkalyan (Khachkalyan 
, Хачкалян 
) , around the globe, is a very rare surname. The last name Khachkalyan is characteristic of Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khachkalyan | United States |
| Хачкалян | Russia |