Richard Lloyd Ruby (January 12, 1928 – March 23, 2009) was an American racecar driver who raced in the USAC Championship Car series for 20 years, achieving 7 victories and 88 top-ten finishes. He also had success in endurance racing, winning the 24 Hours of Daytona twice, the 1966 12 Hours of Sebring and the 1966 World Sportscar Championship.