Family name Khomchak (Khomchak 
, Хомчак 
) , globally, is a rare surname. The family name Khomchak is characteristic of Ukraine, where it is a rare surname, Afghanistan, and Russia, where it is a very rare surname. Likewise, Khomchak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khomchak | Russia, Thailand, United States, Afghanistan, India |
| Хомчак | Ukraine, Russia |