Surname ปิยวงษ์ (ปิยวงษ์ 
) , around the globe, is a very rare cognomen. The family name ปิยวงษ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ปิยวงษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ปิยวงษ์ | Thailand |