Surname Khumphong (Khumphong 
, คุ้มพงศ์) , in the world, is a very rare cognomen. The family name Khumphong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Khumphong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khumphong | Thailand |