Rhine-Ruhr (disambiguation)
# 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
