Cognomen หิรัญพรพงศ์ (หิรัญพรพงศ์ 
) , all over the world, is an extremely rare last name. The family name หิรัญพรพงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| หิรัญพรพงศ์ | Thailand |