| Image Coa: | Wappen Dunum.png |
| Coordinates: | 53.6°N 46°W |
| Image Plan: | Dunum in WTM.svg |
| State: | Niedersachsen |
| District: | Wittmund |
| Samtgemeinde: | Esens |
| Elevation: | 0 |
| Area: | 26.83 |
| Postal Code: | 26427 |
| Area Code: | 0 49 71 |
| Licence: | WTM |
| Gemeindeschlüssel: | 03 4 62 002 |
| Mayor: | Reinhard Reents |
Dunum is a municipality in the district of Wittmund, in Lower Saxony, Germany.