Family name Pattharawetwong (Pattharawetwong 
) , in the world, is a very rare last name. The surname Pattharawetwong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pattharawetwong | Thailand |
Chaweewan, Korrapath, Korraphat, and Ratthakorn