Hagen Rether (born 8 October 1969 in Bucharest) is a Romanian-born German political cabaret artist and musician. The most remarkable features in his performance are usually the presence and use of a grand piano. He was a frequent contributor to the German Kabarett TV show Scheibenwischer. Among the topics Rether relates to are not only federal, state and international politics, but also religion, media, consumerism and globalization.