Cognomen Hirunsi (Hirunsi 
) , throughout the world, is a very rare surname. The last name Hirunsi is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hirunsi | Thailand |
Ronawee, Kritsada, Pittarathon, Pattaratorn, and Pongsathon