Dettingen is a suburban district of Rottenburg am Neckar in the administrative district of Tübingen in Baden-Württemberg (Germany).

Dettingen is located 6 km (3.73 mi) southern from Rottenburg am Neckar, on the Gäu-Plateau with an elevation from 386 to 558 m. The area of the district is 962 hectares.

It is the fourth largest district of Rottenburg.

At an area of 9.62 km2 (3.7 sq mi) this corresponds to a population density of 185 people per km2, or 480 per sq mi.

The population of the village is predominantly Roman Catholic.