Last name พิริยวัฒน์ (พิริยวัฒน์ 
) , in all the world, is an extremely rare cognomen. The surname พิริยวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, พิริยวัฒน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พิริยวัฒน์ | Thailand |