Family name Runprasang (Runprasang 
) , in the entire world, is a very rare surname. The family name Runprasang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Runprasang | Thailand |
Pansa, Sarawut, Jumnian, Mingkwun, Rachawadee, and Rachavadee