Cognomen คมฉัน (คมฉัน 
) , all over the world, is an extremely rare last name. The surname คมฉัน is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, คมฉัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| คมฉัน | Thailand |