Cognomen Chinnawatr (Chinnawatr 
) , in all the world, is an extremely rare last name. The cognomen Chinnawatr is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, Chinnawatr is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chinnawatr | Thailand |