Eschershausen-Stadtoldendorf is a Samtgemeinde ("collective municipality") in the district of Holzminden, in Lower Saxony, Germany. Its seat is in the town Stadtoldendorf. It was formed on 1 January 2011 by the merger of the former Samtgemeinden Eschershausen and Stadtoldendorf.
The Samtgemeinde Eschershausen-Stadtoldendorf consists of the following municipalities:
Coordinates: 51°54′N 9°33′E / 51.9°N 9.55°E