Kate Emma Haywood is an English former elite swimmer who competed for Great Britain in the Olympics, FINA world championships, and European championships, and represented England in the Commonwealth Games. She competed predominantly as a breaststroke swimmer. She was the youngest swimmer to represent England in the Commonwealth Games when she qualified for the 2002 Commonwealth Games in Manchester, where she won a bronze medal in the 4×100-metre medley relay. She retired from competitive swimming following the 2012 Summer Olympics.
Caitlin Leverenz Smith is an American competition swimmer who specializes in breaststroke and medley events. She won the bronze medal in the 200-meter individual medley event at the 2012 Summer Olympics.
Sharon Lynn Wichman, also known her married name Sharon Jones, is an American former competition swimmer and Olympic champion.
Catherine Gibson, later known by her married name Catherine Brown, was a Scottish swimmer. During a 16-year career she won three European Championships medals and a bronze medal at the 1948 Summer Olympics, Britain's sole swimming trophy in the home-based Games. In 2008, she was inducted into the Scottish Sports Hall of Fame.
Alia Shanee Atkinson, OD is a Jamaican five-time Olympian and a former competitive swimmer whose international competition career spanned 19 years, 2003 to 2021 inclusive, at the senior level. At short course World Swimming Championships, she is a ten-time medalist in individual events, including four gold medals, four silver medals, and two bronze medals. She won a total of 124 medals, of which 74 were gold medals, at Swimming World Cup circuits over the course of her career. She won 14 total medals in individual events, 11 gold, 1 silver, and 2 bronze, from her first three Central American and Caribbean Games, in 2006, 2010, and 2018.
Margaret Mary Kelly, MBE, later known by her married name Margaret Hohmann, is an English former competitive swimmer who represented Great Britain in the Olympics and FINA world championships, and competed for England in the Commonwealth Games.
Jeong Da-rae is a South Korean former swimmer, who specialized in breaststroke events. She is a gold medalist in the 200 m breaststroke at the 2010 Asian Games in Guangzhou, China.
Dilara Buse Günaydın is a Turkish swimmer competing in the breaststroke events. The 168 cm tall sportswoman at 57 kg (126 lb) transferred to Galatasaray Swimming from Fenerbahçe Swimming.
Birgit Koschischek is an Austrian swimmer, who specialized in sprint freestyle and butterfly events. She is a two-time Olympian, a four-time Austrian long and short course record holder, and a member of Schwechat Swimming Club in Schwechat, under her personal coach Adam Thoroczkay.
Siobhan-Marie O'Connor is a former English competitive swimmer who has represented Great Britain at the Olympic Games, the FINA World Aquatics Championships and the LEN European Aquatics Championships, and England at the Commonwealth Games. A specialist in the 200 metres individual medley, she is the 2014 and 2018 Commonwealth Games champion in the event, and has won silver medals in the same event at the 2016 Summer Olympics, the 2015 World Aquatics Championships, 2016 European Aquatics Championships, the 2014 World Short-Course Championships and the 2013 and 2015 European Short Course Championships – on each occasion behind World and Olympic champion Katinka Hosszú. With six Commonwealth Games medals in total from 2014, O'Connor was England's most decorated athlete at those Games.
Karolina Pelendritou is a visually impaired swimmer from Cyprus. She has won gold medals and broken records in national and international games as well as winning three gold medals, a silver and two bronze over four Paralympic Games. Due to her achievements she is known as the "Princess of the Pool".
Dorothy Elizabeth Harrison is a retired English international swimmer.
Susannah Claire "Suki" Brownsdon 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.
Diana Adrienne Harris, also known by her married name Diana Mantoura, is a retired English international swimmer.
Raminta Dvariškytė is a Lithuanian swimmer who specialized in breaststroke events. She represented her nation Lithuania at the 2008 Summer Olympics, and has claimed multiple Lithuanian championship titles and two national records in both the breaststroke and medley relay events.
Valeria Silva Merea is a Peruvian swimmer/surgeon, who specialized in breaststroke events. She is a three-time national record holder for the breaststroke events, a two-time Olympic swimmer, and a multiple-time gold medalist at the 2008 South American Swimming Championships in São Paulo, Brazil.
Olga Igoryevna Detenyuk is a Russian swimmer, who specialized in breaststroke events. She represented her nation Russia, as a 15-year-old, at the 2008 Summer Olympics, and has claimed a full set of career medals in a major international competition, spanning the World and European Junior Championships and the inaugural 2010 Summer Youth Olympics in Singapore.
Fiona Doyle is an Irish swimmer. She represented Ireland in the 2016 Rio Olympics swimming in the 100M and 200M Breaststroke. In 2013, she competed in the 100m event at the World Aquatics Championships in Barcelona where she finished eleventh overall. She won a silver medal in the 100 m breaststroke at the 2013 Summer Universiade. In recognition of her achievements she was awarded Swim Alberta Female International Swimmer of the Year 2012/2013, University of Calgary female Athlete of the Year 2013 and SwimIreland High Performance Athlete of the Year 2013, 2014 and 2015.
Adam George Peaty is an English competitive swimmer who specialises in the breaststroke. He won the gold medal in the 100 metre breaststroke at the 2016 Summer Olympics, the first by a male British swimmer in 24 years, and retained the title at the 2020 Summer Olympics in 2021, the first British swimmer ever to retain an Olympic title. He is also an eight-time World Champion, a sixteen-time European Champion and a four-time Commonwealth Champion. According to FINA itself, Peaty is widely regarded as the dominant breaststroke swimmer of his era, and the most dominant sprint breaststroke swimmer of all time.
Sandra Bowman is a British swimmer.
Great Britain 
