Last name คำกา (Khamka 
, คำกา) , all around the world, is a very rare family name. The surname คำกา is characteristic of Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and India. Very seldom, คำกา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamka | Canada, Thailand, United States, Malaysia, India |