Köln Messe/Deutz station is an important railway junction for long-distance rail and local services in the Deutz neighborhood of Cologne in the German state of North Rhine-Westphalia. It is situated close to the eastern bank of the Rhine and connected via the Hohenzollern Bridge to Köln Hauptbahnhof, the city's main station, which is just a few hundred metres away. The Cologne Trade Fair grounds are directly north of the station, hence the Messe in the station's name. The Deutz/Messe station of the Cologne Stadtbahn is nearby and connected to this station by a pedestrian tunnel.

Köln Hauptbahnhof is the central railway station of Cologne, Germany. The station is an important local, national and international transport hub, with many ICE, Eurostar and Intercity trains calling there, as well as regional Regional-Express, RegionalBahn and local S-Bahn trains. EuroNight and Nightjet night services also call at the station. It has frequent connections to Frankfurt by way of the Cologne–Frankfurt high-speed rail line, which starts in southern Cologne. On an average day, about 280,000 travellers frequent the station, making it the fifth busiest station in Germany.