Cognomen Warasai (Warasai 
) , in the world, is a very rare family name. The family name Warasai is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Warasai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Warasai | India, Thailand |