Frankfurt (Main) Hauptbahnhof is a four-track S-Bahn station below Frankfurt (Main) Hauptbahnhof and as such part of the busiest railway station in Frankfurt, Germany. It is also the busiest rapid transit station in Frankfurt.

Frankfurt (Main) Hauptbahnhof, also called Frankfurt Central Station and Frankfurt Main Station, is the busiest train station in the German state of Hesse. Due to its location near the middle of Germany and usage as a transport hub for long and short distance travelling, Deutsche Bahn refers to it as the most important station in Germany.