Surname ខ្វាយ (ខ្វាយ 
) , globally, is a very rare family name. The last name ខ្វាយ is characteristic of South-eastern Asia, particularly Cambodia, where it is a rare surname. Very seldom, ខ្វាយ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ខ្វាយ | Cambodia |