Stefan Schumacher (born 21 July 1981) is a German professional road racing cyclist. Schumacher won the bronze medal in the 2007 Road Race World Championship, two stages in the 2006 Giro d'Italia and two stages in the 2008 Tour de France. After positive results on doping products in the 2008 Tour de France and the 2008 Summer Olympics, he received a suspension for two years, later reduced by some months. After his suspension, he came back as a professional cyclist.