Gottmadingen is a municipality in the district of Konstanz, in Baden-Württemberg, Germany. It is situated next to the border to Switzerland, 5 km southwest of Singen, and 12 km east of Schaffhausen.

Gottmadingen's first documentary mention was in 965. Until the construction of the railway Singen - Schaffhausen it was a tiny village. Economic growth began in the 20th century. Due to the big demand for workers in the new factories the number of inhabitants grew rapidly