Porz (Rhein) is a railway station situated at Porz, Cologne in the German state of North Rhine-Westphalia on the Sieg and East Rhine Railways. It is served by Cologne S-Bahn S12 line between Düren or Köln-Ehrenfeld and Troisdorf every 20 minutes Monday–Saturday and every 30 minutes on Sunday. It is classified by Deutsche Bahn as a category 4 station.