Sarah Whitmore (9 August 1931 – 27 March 2021) was a British equestrian.^[1]

Whitmore started her career with eventing, but switched to dressage after breaking her back due to a fall at the Badminton Horse Trials. She competed at the 1966 World Championships and was a substitute for the 1968 Summer Olympics. Her coach was Hans von Blixen-Finecke Jr.^[2] She competed in the individual dressage event at the 1976 Summer Olympics.^[3] She won in 1976 the national title in the Grand Prix. She later competed at the 1978 and 1982 World Championships.^[2]

Whitmore lived at the Hilders Farm in Edenbridge. Her mother Charlotte Fry worked as a working student for Whitmore. Whitmore died on 27 March 2021, aged 89.^[2]