Family name ดุน (Dun 
, Drun 
, ดุน 
) , in the entire world, is a common last name. The surname ดุน is habitual in Netherlands, where it is quite a rare surname, Bahamas, and Malaysia. Measured by absolute frequency, the name is most common in China, Indonesia, and Malaysia. Very seldom, ดุน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dun | Malaysia, Venezuela, China, Myanmar, Indonesia |
| Drun | Malaysia, China, United States, India, Indonesia |
| ดุน | Thailand |