Cognomen Rotsathorn (Rotsathorn 
) , in all the world, is a very rare surname. The surname Rotsathorn is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname. More prevalently, Rotsathorn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rotsathorn | Malaysia, Thailand |