Cognomen Patthanaphong (Patthanaphong 
) , worldwide, is a very rare surname. The family name Patthanaphong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Patthanaphong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Patthanaphong | Thailand |
Natthinun, Kritchakorn, and Kritsanaphat