Mark Andrew Foster is an English former competitive swimmer who represented Great Britain in the Olympics and world championships, and swam for England in the Commonwealth Games. Foster is a former world champion and won multiple medals in international competition during his long career. He competed primarily in butterfly and freestyle at 50 metres.
Fernando de Queiroz Scherer is a Brazilian former international swimmer. He won the bronze medal in the 50-meter freestyle at the 1996 Summer Olympics in Atlanta and another bronze medal four years later in Sydney with the Brazilian relay team in the 4×100-meter freestyle.
Ryan John Pini MBE is a 4-time Olympic swimmer from Papua New Guinea. He swam for PNG at the 2004, 2008, 2012, and 2016 Olympics; also serving as the PNG flagbearer in 2008 and 2016. He is the first PNG swimmer ever to reach an Olympic final.
Bruce Richard Robertson, CM is a male former freestyle and butterfly swimmer from Canada,.
Andrew David Jameson is an English sports commentator and former competitive swimmer. Active as an elite swimmer in the mid-to-late 1980s he represented Great Britain in two consecutive Summer Olympics, the FINA World Championships, LEN European Championships, as well as England in the Commonwealth Games. At his peak between 1986 and 1988 he won the gold medal in 100 metre butterfly at the 1986 Commonwealth Games, the 1987 European Aquatics Championships and the 1987 Summer Universiade, as well as the 100 metre freestyle gold at the same Universiade. Winning the bronze medal at the 1986 World Aquatics Championships, Jameson's career in the pool culminated in winning the bronze medal in the 1988 Summer Olympics, his second and final Olympic Games.
Christopher Anthony Cook is an English former competitive swimmer who swam for Great Britain in the Olympics, world championships and European championships, and competed for England in the Commonwealth Games.
Georgina Anne Lee is a female English former competitive swimmer.
Ann Osgerby, later known by her married name Ann Osgerby Inge, is an English former butterfly swimmer.
Neil Cochran is a Scottish former competitive swimmer who represented Great Britain in the Olympics, European championships and World University Games, and swam for Scotland in the Commonwealth Games, during the 1980s. Cochran competed in medley and freestyle swimming events.
Paul Robert Easter is a former competitive swimmer who represented Great Britain in the Olympics, and competed for Scotland in the Commonwealth Games.
Eleanor Suzanne Daniel, also known by her married name Ellie Drye, is an American former competition swimmer, four-time Olympic medalist, and former world record-holder.
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.
Elizabeth Clare Simmonds is an English competitive swimmer who has represented Great Britain in the Olympics, FINA World Aquatics Championships, and European championships, and England in the Commonwealth Games. She specialises in backstroke events, and is a former European champion in the 200-metre backstroke.
Benjamin Hockin Brusquetti is an Olympic freestyle swimmer, who has swam international for both Great Britain and Paraguay.
Philip C Hubble is an English former butterfly swimmer.
Joanne Louise Atkinson, also known by her married name Joanne Palmer, is an English former competitive swimmer.
Brian David Hill is a S13 Canadian para-swimmer who has competed in the 2000, 2004, 2008, 2012 Summer Paralympics and the 2007 Parapan American Games. He had won five gold medals, three silver medals and 3 bronze medals in his international career. Hill started swimming as a child and competitive swimming at the age of nine. He has won the British Columbia Blind Sports Award and Athlete of the Year Award.
Yusra Mardini OLY is a Syrian former competition swimmer and refugee of the Syrian civil war. She was a member of the Refugee Olympic Athletes Team (ROT) that competed under the Olympic flag at the 2016 Summer Olympics in Rio de Janeiro. On 27 April 2017, Mardini was appointed a UNHCR Goodwill Ambassador. She also competed in the 2020 Summer Olympics in Tokyo with the Refugee Olympic Team (EOR). She was named one of the 100 most influential people in the world by Time magazine in 2023, alongside her sister, Sarah.
Heiko Gigler is an Austrian swimmer. He competed in the men's 50 metre butterfly event at the 2018 FINA World Swimming Championships, in Hangzhou, China. Gigler competed for Austria at the 2020 Summer Olympics in Tokyo, in the Men's 50 metre freestyle event, but did not advance from the preliminary round.
Great Britain 
