Cognomen Phattharasiri (Phattharasiri 
) , around the globe, is an extremely rare surname. The surname Phattharasiri is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, Phattharasiri is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phattharasiri | Thailand |