Surname ต่อพงษ์ (Torpong 
, Torphong , Tophong 
) , in the world, is an extremely rare family name. Predominantly, ต่อพงษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Torpong | United States, Thailand |
| Torphong | Thailand |
| Tophong | India, Thailand |