Land Hadeln is a Samtgemeinde ("collective municipality") in the district of Cuxhaven, in Lower Saxony, Germany. Its seat is in the town Otterndorf. It was formed on 1 January 2011 by the merger of the former Samtgemeinden Hadeln and Sietland. On 1 November 2016 the Samtgemeinde Am Dobrock was merged into Land Hadeln.
The Samtgemeinde Land Hadeln consists of the following municipalities:
- Neuhaus (Oste)