Stuart O'Grady (born 6 August 1973) is a retired Australian professional road bicycle racer, who rode as a professional between 1995 and 2013. A former track cyclist, O'Grady and Graeme Brown won a gold medal in the Men's Madison at the 2004 Summer Olympics. O'Grady also won Paris–Roubaix in 2007. O'Grady competed in the Tour de France from 1997 and contended for the points classification in the Tour de France known as the green jersey, finishing second in the 1998, 1999, 2001 and 2005 races. He wore the yellow jersey of general classification leader in 1998 and 2001.