Cognomen ไพยสิทธิ์ (ไพยสิทธิ์ 
) , around the world, is an extremely rare surname. The surname ไพยสิทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, ไพยสิทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ไพยสิทธิ์ | Thailand |