Family name คำชุม (Khamchum 
, คำชุม) , all around the world, is a rare surname. The family name คำชุม is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, คำชุม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamchum | Thailand |