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