Heidelberg Hauptbahnhof is the main railway station for the city of Heidelberg. In 2005 it was used by around 42,000 passengers per day and is one of the largest passenger stations in the German state of Baden-Württemberg. The station is classified by Deutsche Bahn as a category 2 station.

The approximately 5,400 railway stations in Germany that are owned and operated by the Deutsche Bahn subsidiary DB Station&Service are divided into seven categories, denoting the service level available at the station.