Cognomen เดชพงษ์ (เดชพงษ์ 
, Detphong , Dejapong 
) , in all the world, is a rare family name. The surname เดชพงษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. Very seldom, เดชพงษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dechphong, เดชพงษ์, Detphong | Thailand |
| Dejapong | United States |
Dejphong, and Detchapong