Surname Hirunyavasit (Hirunyavasit 
) , all over the world, is a very rare family name. The last name Hirunyavasit is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hirunyavasit | Thailand |
Aniruj, Atchara, and Roongruang