Radolfzell am Bodensee is a town in Germany at the western end of Lake Constance approximately 18 km northwest of Konstanz. It is the third largest town, after Constance and Singen, in the district of Konstanz, in Baden-Württemberg.
Radolfzell is a well-known health care town and an important railway junction of the High Rhine Railway and the Hegau-Ablach Valley Railway. In 1990 Radolfzell was named the Federal Environment Capital City of Germany.