Rhine-Ruhr (disambiguation)

Rhine-Ruhr (German: Metropolregion Rhein-Ruhr, also called Rhein-Ruhr-Region or simply Rhein-Ruhr) usually refers to the Rhine-Ruhr Metropolitan Region in Western Germany. It may also refer to:


 * the Rhein-Ruhr-Marathon
 * the Verkehrsverbund Rhein-Ruhr
 * the Rhein-Ruhr S-Bahn
 * the RheinRuhrZentrum - RRZ
 * RRI Rhein Ruhr International GmbH, a German engineering firm
 * RR Rhine Ruhr (PTY) Ltd, an Australian engineering firm