Family name Денбург (Denburg 
, Денбург 
) , worldwide, is a rare cognomen. The family name Денбург is habitual in the United States, where it is a very rare surname, Canada, and Russia. Very seldom, Денбург is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Denburg | Germany, Canada, United States |
| Денбург | Russia, Ukraine |