Surname คำมัน (Khamman 
, คำมัน) , in the world, is a rare family name. The cognomen คำมัน is habitual in Thailand, where it is a rare surname, India, where it is an extremely rare surname, and Malaysia. Not in comparison with a country's population, it is the most numerous in Thailand, India, and Nigeria. More frequently, คำมัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamman | Thailand, United States, India, Nigeria, Malaysia |