Family name Khunsai (Khunsai 
) , across the world, is a rare surname. The surname Khunsai is habitual in South-eastern Asia, particularly Myanmar, where it is a rare surname, and Thailand, where it is a very rare surname. Likewise, Khunsai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khunsai | India, Myanmar, Thailand |