Last name พิริยะพงศ์ไพโรจน์ (พิริยะพงศ์ไพโรจน์ 
) , in the entire world, is a very rare cognomen. The family name พิริยะพงศ์ไพโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิริยะพงศ์ไพโรจน์ | Thailand |