Surname Khamkiang (Khamkiang 
) , throughout the world, is an extremely rare last name. The cognomen Khamkiang is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Very seldom, Khamkiang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamkiang | United States, Thailand |