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