Cognomen ผลสิทธิ์ (ผลสิทธิ์ 
) , in the world, is a very rare surname. The family name ผลสิทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ผลสิทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ผลสิทธิ์ | Thailand |