Cognomen ឡុយ (ឡុយ 
) , throughout the world, is a rare family name. The surname ឡុយ is characteristic of South-eastern Asia, particularly Cambodia, where it is quite a rare surname. Likewise, ឡុយ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ឡុយ | Cambodia |