Surname คำสวน (Khamsuan 
, Kamsuan , คำสวน) , in the entire world, is a rare last name. The cognomen คำสวน is habitual in Thailand, where it is a rare surname, Norway, where it is a very rare surname, and India, where it is an extremely rare surname. Likewise, คำสวน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamsuan | Laos, Norway, Thailand, India |
| Kamsuan | Thailand, India |
Kamsanuan, Khamsouane, and Khamsuean