| Art: | Samtgemeinde |
| Hadeln | |
| Year: | 1970-01-01 |
| Dissolved: | 2010-12-31 |
| Coordinates: | 53.81°N 8.9°W |
| Lageplan: | Samtgemeinde Hadeln in CUX.svg |
| Bundesland: | Niedersachsen |
| Landkreis: | Cuxhaven |
| Fläche: | 84.69 |
| Einwohner: | 10190 |
| Stand: | 2009-12-31 |
| Gliederung: | 4 |
Hadeln is a former German: [[Samtgemeinde]] ("collective municipality") in the district of Cuxhaven, in Lower Saxony, Germany. It was situated in the Land of Hadeln near the mouth of the river Elbe, approximately 15 km east of Cuxhaven. Its seat was in the town Otterndorf. On 1 January 2011 it merged with the German: Samtgemeinde Sietland to form the new German: Samtgemeinde Land Hadeln.
The German: Samtgemeinde Hadeln consisted of the following municipalities: