Last name ปิยะวงศ์พัฒนา (ปิยะวงศ์พัฒนา 
) , all around the world, is an extremely rare family name. The cognomen ปิยะวงศ์พัฒนา is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ปิยะวงศ์พัฒนา | Thailand |