Sarah Vasey (born 29 August 1996) is a British swimmer. She competed in the women's 50 metre and 100 metre breaststroke events at the 2017 World Aquatics Championships. Vasey qualified for the 50 metre breaststroke final at the 2018 Commonwealth Games, Gold Coast, Australia and went on to win gold.
Vasey was included in April 2021 as a member of the "high quality" British team to go to the postponed 2020 Olympics in Tokyo. She joined an "exceptionally high quality" swimming team which included Jacob Whittle, Abbie Wood and Molly Renshaw who are all from Derbyshire and also at their first Olympics