Family name Phatthanawat (Phatthanawat 
) , around the globe, is a very rare cognomen. The last name Phatthanawat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, Phatthanawat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phatthanawat | Thailand |