Surname หิรัญญรัตน์ (หิรัญญรัตน์ 
) , throughout the world, is an extremely rare cognomen. The last name หิรัญญรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| หิรัญญรัตน์ | Thailand |