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