Cognomen ไพโรจน์วุฒิพงศ์ (ไพโรจน์วุฒิพงศ์ 
) , across the world, is an extremely rare surname. The surname ไพโรจน์วุฒิพงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไพโรจน์วุฒิพงศ์ | Thailand |