Karin Riediger-Heintges (born 2 August 1961) is a German former figure skater. She is the 1981 West German national champion. Riediger placed as high as sixth at the European Championships (1979) and ninth at the World Championships (1981). She was selected to represent West Germany at the 1980 Winter Olympics and finished 13th. Her skating club was Duisburger SCK.