Belm is a municipality located in the district of Osnabrück within the state of Lower Saxony, Germany. Situated approximately 7 km northeast of Osnabrück, it is considered part of the city-agglomeration of Osnabrück.
The town is situated in the Wiehengebirge region and is positioned in the middle of the TERRA.vita Nature Park. Two small tributaries of the river Hase flow through the municipality.