Surname 德恩 (德恩 
, Denn 
, Dehn ) , in the entire world, is a common family name. The family name 德恩 is characteristic of Denmark, where it is quite a rare surname, Germany, and Lebanon. Not in comparison with a country's population, it is commonest in Germany, the United States, and China. Likewise, 德恩 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 德恩 | China |
| Denn | Democratic Republic of the Congo, Malaysia, Germany, United States, Denmark |
| Dehn | Democratic Republic of the Congo, China, Germany, United States, Denmark |
| Dern | United Kingdom, Australia, Malaysia, Germany, United States |