Cognomen Duangmongkhon (Duangmongkhon 
) , around the world, is an extremely rare family name. The surname Duangmongkhon is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, Duangmongkhon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Duangmongkhon | Thailand |