Surname ខ្លាក (ខ្លាក 
) , all around the world, is a very rare family name. The surname ខ្លាក is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. Also, ខ្លាក is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ខ្លាក | Cambodia |