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