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