Cognomen ឃ្មុំ (ឃ្មុំ 
) , across the world, is a very rare last name. The surname ឃ្មុំ is characteristic of South-eastern Asia, particularly Cambodia, where it is a rare surname. Also, ឃ្មុំ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ឃ្មុំ | Cambodia |