Heike Kemmer (born 24 April 1962 in Berlin) is a German equestrian who competes in the sport of dressage. She won team gold medals at the 2004 and 2008 Summer Olympics, as well as individual bronze in 2008. She also won medals at the German Dressage Championships and European Dressage Championships, as well as assisting the German team to gold at the 2006 World Equestrian Games. Kemmer retired Bonaparte 67, upon whom she had won most of her international medals, in 2011.