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