Cognomen Rodsangwan (Rodsangwan 
) , globally, is a very rare family name. The family name Rodsangwan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rodsangwan | Thailand |
Decha, Virawan, Wanchai, Nattapak, and Nattaphong