Sandra Marie Farmer-Patrick (née Farmer, born 18 August 1962) is a Jamaican-born American former athlete who competed mainly in the 400 metres hurdles. She won silver medals in that event at the 1992 Olympic Games in Barcelona, and at the 1993 World Championships in Stuttgart. She also won the 400 metres hurdles at the World Cup in 1989 and 1992. Her best time for the event of 52.79 seconds (1993), is the former U.S record. That performance once ranked her second on the world all-time list, and as of 2018, ranks her 12th on the world all-time list.