Surname Phirasan (Phirasan 
) , around the globe, is a very rare family name. The family name Phirasan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Phirasan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phirasan | India, Thailand |
Anchalee, Thanawin, and Thanpitcha