Cognomen Phirai (Phirai 
) , in the world, is an extremely rare surname. The surname Phirai is habitual in Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Phirai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phirai | India, Thailand |
Photean, Thongchiya, and Thongchaiya