Landesbergen (Samtgemeinde)

Landesbergen is a former Samtgemeinde ("collective municipality") in the district of Nienburg, in Lower Saxony, Germany. Its seat was in the village Landesbergen. At the 1 November 2011 local government reform, the Samtgemeinde Landesbergen and the municipality Stolzenau formed the new Samtgemeinde Mittelweser.

The Samtgemeinde Landesbergen consisted of the following municipalities:
 * 1) Estorf
 * 2) Husum
 * 3) Landesbergen
 * 4) Leese