Surname Hirunmoon (Hirunmoon 
) , all around the world, is a very rare family name. The last name Hirunmoon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hirunmoon | Thailand |
Pikun, Sarawut, Suchitra, and Doungshewan