Family name ผลฤทธิ์ (ผลฤทธิ์ 
) , worldwide, is a very rare surname. The cognomen ผลฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ผลฤทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ผลฤทธิ์ | Thailand |