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