Surname ต่อพงษ์พันธ์ (ต่อพงษ์พันธ์, Pedphongpun 
) , globally, is an extremely rare family name. The family name ต่อพงษ์พันธ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pedphongpun | Thailand |