Surname พิริยะพันธุ์ (Piriyaphan 
, พิริยะพันธุ์ , Piriyahaphant ) , around the globe, is a rare last name. The cognomen พิริยะพันธุ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, พิริยะพันธุ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Piriyahaphant, พิริยะพันธุ์, Piriyaphan, Phiriyaphun | Thailand |