Cognomen Sitthirawiphong (Sitthirawiphong 
) , around the globe, is a very rare family name. The surname Sitthirawiphong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sitthirawiphong | Thailand |
Pornluck, Chompunick, and Nonthakorn