Cognomen ปิยะไพร (ปิยะไพร 
, Piyaphai ) , around the world, is a rare last name. The cognomen ปิยะไพร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ปิยะไพร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ปิยะไพร, Piyaphai | Thailand |