Caitlin McClatchey is a British former swimmer. Representing Scotland, she won two gold medals at the 2006 Commonwealth Games, in the 200 metres freestyle and 400 metres freestyle. Representing Great Britain, she won bronze medals in the 400 m freestyle at the 2005 World Championships and 2006 European Championships. She has also competed at three Olympic Games and reached the Olympic 200 m freestyle final in 2008 and 2012. She is a former British record holder in the 100 m, 200 m and 400 m Freestyle.
Sarah Lucy Hardcastle, also known by her married name Sarah Thomas, is a British former competitive swimmer who represented Great Britain in the Olympics, world championships and European championships, and swam for England in the Commonwealth Games. She specialised in the 400- and 800-metre freestyle, and also competed in medley races. Hardcastle won multiple major championship medals over the course of her career, including individual silver and bronze medals at the 1984 Summer Olympics at the age of 15 and two individual gold medals at the 1986 Commonwealth Games. She retired from the sport in 1986 but returned in 1993, winning gold at the World Short Course Championships for the 800-metre freestyle in 1995 and reaching the final of the same event at the 1996 Summer Olympics.
David Robert Carry is a Scottish former competition swimmer who represented Great Britain in the Olympics, FINA world championships and the European championships, and Scotland in the Commonwealth Games. He competed internationally in freestyle and medley swimming events. He is the winner of seven medals in major international championships. He is of Scottish-Faroese ancestry.
Francesca Jean Halsall is a retired English competitive swimmer who has represented Great Britain at the Olympics, FINA world championships, and European championships, and England at the Commonwealth Games. She competed primarily in freestyle and butterfly events.
Jemma Louise Lowe is a former British international butterfly swimmer and British record holder. She has competed for Wales in the Commonwealth Games, and was a member of Great Britain's 2008 and 2012 Olympic teams.
Joseph Peter "Joe" Roebuck is an English swimmer.
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.
Georgia Beth Davies is a British competition swimmer who has represented Great Britain in the Olympic Games and European championships, and swam for Wales in the Commonwealth Games. She has won gold in the Commonwealth Games and European Championships. She currently represents Energy Standard in the International Swimming League.
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.
Molly Renshaw is an English breaststroke swimmer. In 2016, she won the 200 metres breaststroke at the 2016 FINA World Swimming Championships (25m).
James George Guy is an English competitive swimmer who specialises in freestyle and butterfly. Guy has won multiple gold medals at each of the major international meets available to him, including for Great Britain at the Olympic Games (2), the World (5) and European Championships (7), and England in the Commonwealth Games (2).
Duncan William MacNaughton Scott is a Scottish swimmer representing Great Britain at the FINA World Aquatics Championships, LEN European Aquatics Championships, European Games and the Olympic Games, and Scotland at the Commonwealth Games. Scott made history after winning four medals - more than any other British athlete at a single Olympic Games - in Tokyo 2020, simultaneously becoming Great Britain's most decorated swimmer in Olympic history.
Chloé Tutton is a British breaststroke swimmer. She won a bronze medal in the individual 100 m and a gold in the 4×100 m medley relay events at the 2016 European Championships, and competed for the 2016 Summer Olympics.
Kathleen Mary Dawson is a Scottish backstroke swimmer. She won gold at the 2020 Tokyo Olympics in mixed 4 × 100 metre medley relay in a world record time. She is also the European champion at the 2020 Budapest Championships and holder of the European record in 100 m backstroke (58.08).
Stephen Milne is a Scottish swimmer who competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil.
Max Robert Litchfield is a British competitive swimmer who represented Great Britain in the 2016 Olympics, and the LEN European Aquatics Championships. He also swam for England in the 2014 Commonwealth Games. He competes internationally in freestyle and medley swimming events. Litchfield studies physiotherapy at Sheffield Hallam University. He currently represents Energy Standard in the International Swimming League. Litchfield is the son of former professional footballer, Peter Litchfield. His younger brother Joe Litchfield is also a swimmer.
Freya Ann Alexandra Anderson is a British swimmer, known primarily for her achievements as a freestyle sprinter, especially as a relay swimmer for Great Britain. Anderson achieved nine relay gold medals at three editions of the European Championships, including 5 golds in a single meet at the 2020 European Championships in Budapest, as well as two bronze medals at the Commonwealth Games and a bronze at the 2019 World Aquatics Championships. In July 2021, she won gold as part of the British team at the 2020 Tokyo Olympics in mixed 4 × 100 metre medley relay, swimming the freestyle anchor leg in the heat.
James Wilby is a British competitive swimmer who specialises in the breaststroke. Wilby is the 2018 Commonwealth Games champion in 200 metre breaststroke, the 2022 Commonwealth Games champion in 100 metre breaststroke, and the 2022 European champion in 200 metre breaststroke. He formed part of the Great Britain team that won World Championship gold in the men's 4 x 100 metre medley relay in 2019, and the England team that won the Commonwealth Games Men's 4 x 100 metre medley relay in 2014 and 2022.
Thomas William Darnton Dean is a British competitive freestyle swimmer. He is a double Olympic gold medalist, winning gold individually in 200 metre freestyle and as part of a team in 4 × 200 m freestyle relay at the 2020 Summer Olympics.
Abbie Wood is an English and British swimmer from Buxton. In 2023, she became the European champion (short-course) in the 200 metre and 400 metre individual medley.
Great Britain 
