Cognomen Khunasai (Khunasai 
) , around the world, is an extremely rare surname. The family name Khunasai is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Khunasai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khunasai | Thailand, India |