Sam Posey (born 1944) is a former American racing driver and sports journalist. He was a Sports Prototype specialist (often driving a Ferrari) who also raced in the USAC series, with 13 career starts including the 1972 Indianapolis 500. He finished in the top ten 8 times.
As an endurance racer, Posey appeared at the 24 Hours of Le Mans 10 times and finished in the top ten, five times. His best finish was 3rd position during the 1971 edition in which he drove a Ferrari 512M. He also won the 1975 12 Hours of Sebring.
He participated in two Formula 1 events, driving a Surtees in the 1971 and 1972 United States Grand Prix at Watkins Glen. He finished 12th in 1972.