Globally, สมพงษ (สมพงษ 
) is a very rare male given name. The first name สมพงษ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare male name. Very seldom, สมพงษ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สมพงษ | Thailand |
สายสมอ, and โพธิ์พวงทอง