Cognomen Kamlasai (Kamlasai 
) , in the world, is a very rare family name. The family name Kamlasai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Kamlasai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kamlasai | India, Thailand |