Cognomen Khamchan (Khamchan 
) , around the globe, is quite a rare surname. The last name Khamchan is characteristic of Thailand, where it is quite a rare surname, Laos, and Morocco, where it is a very rare surname. Very seldom, Khamchan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamchan | Morocco, Laos, Malaysia, Thailand, India |