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