Dunningen is a town in the district of Rottweil, in Baden-Württemberg, Germany.

Dunningen is located at the centre of the administrative district of Rottweil in the south western part of Baden-Wuerttemberg, Germany. The village is located in the shell limestone area between the Black Forest and the Swabian Alps on a strip of open country that crosses the district from north to south and that is mainly used for agriculture. It is located on the eastern slope of the central part of the Black Forest, which borders on the Oberen Gäuen in the west.