Cognomen Sonsanit (Sonsanit 
) , in the world, is a very rare surname. The surname Sonsanit is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Sonsanit is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sonsanit | United States, Thailand |