Liebenau (Samtgemeinde)

Liebenau is a former Samtgemeinde ("collective municipality") in the district of Nienburg, in Lower Saxony, Germany. Its seat was in the village of Liebenau. It was disbanded on 1 November 2021, when it was merged with the Samtgemeinde Marklohe to form the new Samtgemeinde Weser-Aue.

The Samtgemeinde Liebenau consisted of the following municipalities:
 * 1) Binnen
 * 2) Liebenau
 * 3) Pennigsehl