Cognomen Хачак (Хачак 
, Hachak 
, Khatchak 
) , around the world, is a rare last name. The family name Хачак is habitual in Russia, where it is a rare surname, Thailand, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Russia, Thailand, and India. Also, Хачак is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Хачак | Ukraine, Russia |
| Hachak | Thailand, India |
| Khatchak | United States |
| Khachak | Russia |