Cognomen ម្រះ (ម្រះ 
) , throughout the world, is an extremely rare last name. The surname ម្រះ is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. Also, ម្រះ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ម្រះ | Cambodia |