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