Last name דאן (Dun 
, Dunn , Dunne ) , throughout the world, is a widespread family name. The cognomen דאן is habitual in Ireland, where it is a common surname, Marshall Islands, and Isle of Man (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and China. Very seldom, דאן is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dun, Dunn, Dunne | United Kingdom, China, United States, Ireland, Australia |
| דאן | Israel |