Bad Iburg is a town in the district of Osnabrück, in Lower Saxony, Germany. It is situated in the Teutoburg Forest, 16 km south of Osnabrück.
The most important building is Schloss Iburg above the town. It is a complex of a castle which was the residence of the bishops of Osnabrück for six hundred years and a former monastery of the Order of Saint Benedict.