Family name ปิยะบูรณ์ (ปิยะบูรณ์ 
, Piyabun 
) , all over the world, is a very rare cognomen. The surname ปิยะบูรณ์ is habitual in Thailand, where it is a very rare surname, and Australia.
| VARIANT | COUNTRY |
|---|---|
| ปิยะบูรณ์ | Thailand |
| Piyabun | Thailand, Australia |