Cognomen Phanthuphon (Phanthuphon 
) , all around the world, is a very rare family name. The surname Phanthuphon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phanthuphon | Thailand |
Atchara, Amornrit, Pittawan, Pitchakron, and Pitchakorn