Susannah Claire "Suki" Brownsdon (born 16 October 1965) is an English former competitive swimmer who won a silver medal in the women's 100-metre breaststroke at the 1981 European Championships, and represented Great Britain at four consecutive Olympic Games, with her best results being sixth place in the 100-metre breaststroke final in 1980 and seventh place in the 200-metre breaststroke final in 1984. She also represented England at three Commonwealth Games, winning a total of five medals.