Surname ไพรวงศ์ (ไพรวงศ์ 
) , in the entire world, is a very rare cognomen. The surname ไพรวงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ไพรวงศ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ไพรวงศ์ | Thailand |