Surname หิรัณย์อุฬาร (หิรัณย์อุฬาร 
) , all around the world, is a very rare cognomen. The family name หิรัณย์อุฬาร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| หิรัณย์อุฬาร | Thailand |