Surname คำศักดิ์ (Kamsak 
, คำศักดิ์, Khamsak ) , all over the world, is a very rare family name. The surname คำศักดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Very seldom, คำศักดิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kamsak | India, Philippines, Thailand |
| Khamsak | Thailand |