Last name สุพงษ์ (สุพงษ์ 
, Supong 
) , in the world, is quite a rare surname. The surname สุพงษ์ is characteristic of Thailand, where it is quite a rare surname, Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Also, สุพงษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุพงษ์ | Thailand |
| Supong | Philippines, Thailand, India, Cambodia, Malaysia |