Surname ดุง (Dung 
, ดุง 
) , all over the world, is a widespread family name. The surname ดุง is characteristic of Vietnam, where it is quite a common surname, Macao, and Malaysia. Not in comparison with a country's population, it is commonest in South-eastern Asia, particularly Vietnam, Malaysia, and Indonesia. Also, ดุง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dung | Taiwan, Vietnam, Indonesia, Malaysia, China |
| ดุง | Thailand |