Tracy Anne Stockwell, OAM,, née Tracy Anne Caulkins, is an American former competition swimmer, three-time Olympic gold medalist, five-time world champion, and former world record-holder in three events.
Anita Lonsbrough,, later known by her married name Anita Porter, is a former swimmer from Great Britain who won a gold medal at the 1960 Summer Olympics.
Terrence Stephen Gathercole, was an Australian breaststroke swimmer of the 1950s and 1960s, who won a silver medal in the 4x100-metre medley relay at the 1960 Summer Olympics. He later became a swimming coach, at one stage being the Australian female team coach for the 1964 Summer Olympics and guiding numerous breaststroke students to Olympic and World Championship gold medals. He also served as the president of Swimming Australia.
William Victor Mahony is a former breaststroke swimmer who represented Canada in multiple international championships from 1966 to 1974, including two Summer Olympics, the Pan American Games, and two Commonwealth Games.
Joseph Thomas Verdeur was an American competition swimmer, Olympic champion, and former world record-holder.
Claudia Anne Kolb, also known by her married name Claudia Thomas, is an American former competition swimmer, two-time Olympic champion, and former world record-holder in four events.
Petronella "Nel" van Vliet was a breaststroke swimmer from the Netherlands. She won gold medals in the 200 m breaststroke at the 1947 European Aquatics Championships and 1948 Summer Olympics. In 1973, she was inducted to the International Swimming Hall of Fame.
Helen Orr "Elenor" Gordon was a Scottish breaststroke swimmer who represented Great Britain at the 1948, 1952 and 1956 Olympics, and Scotland at the 1950 and 1954 British Empire Games. She won an Olympic bronze medal in the 200-metre breaststroke in 1952 and three gold medals at the British Empire Games.
Katherine Louise Rawls, also known by her married names Katherine Thompson and Katherine Green, was an American competition swimmer and diver. She was the United States national champion in multiple events during the 1930s.
Catharine Ball Condon, née Catharine Northcutt Ball, is an American former competition swimmer, Olympic champion, and former world record-holder in three events. At the 1968 Summer Olympics, she won a gold medal as a member of the winning U.S. 4×100-meter medley relay team. Ball is a former world record holder in the 100-meter and 200-meter breaststroke events, and is remembered as a teenage star who was the dominant female breaststroke swimmer of her generation.
Walter Percy Spence was a swimmer from British Guiana who competed for Canada in the 1928 Summer Olympics and 1932 Summer Olympics. He immigrated to the United States and held several national swimming titles there.
Douglas Albert Russell is an American former competitive swimmer, Olympic champion, and former world record-holder in three different events.
Bowen Dow Stassforth was an American competition swimmer who won a silver medal in the 200 m breaststroke at the 1952 Olympics and set two world records in the 200-yard breaststroke. and one world record in the 100 meter breaststroke
Joan Marjorie McLagan was a Canadian competitive swimmer and breaststroker.
Keith Eyre Carter was an American competition swimmer, a six time All American, an Olympic silver medalist and world record holder in the 200 yard breaststroke.
David Frederick Hawkins was an Australian world-class competition swimmer who won three gold medals at the British Empire Games in 1950 and 1954. At the 1952 Summer Olympics he reached the semifinals of the 200-metre breaststroke event.
Jack Irwin Hale was an English competitive swimmer who represented Great Britain in the Olympic Games and England in the British Empire Games.
Hubert Leonard Spence was a swimmer from British Guiana who competed for Bermuda in the 1936 Summer Olympics. In 1933, the three brothers Leonard, Wallace and Walter Spence won the 3×100 medley relay at the Amateur Athletic Union (AAU) championships – the only such feat in the AAU history. Later, they set a world record in this event. Leonard participated in the 1936 Summer Olympics in the 100 m freestyle, 200 m breaststroke and 4 × 200 m freestyle events, but did not reach the finals. In 1967, the Spence brothers were inducted to the International Swimming Hall of Fame.
Clara Lamore, also known by her married name Clara Lamore Walker, was an American competition swimmer who represented the United States at the 1948 Summer Olympics in London. LaMore competed in the preliminary heats of the women's 200-meter breaststroke and recorded a time of 3:23.6.
Gerald Ray Holan was an American swimmer who represented the United States at the 1952 Summer Olympics in Helsinki, Finland.
United States 
