Cognomen Duwit (Duwit 
) , all over the world, is a rare family name. The cognomen Duwit is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Very seldom, Duwit is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Duwit | United States, Malaysia, Indonesia, Philippines |
| feliks duwit Indonesian politician (born 1967), ID (b. 1967) |
|