Family name Chadaratana (Chadaratana 
) , in the entire world, is a very rare cognomen. The last name Chadaratana is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Chadaratana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chadaratana | Thailand, United States |