Leisel Marie Jones, OAM is an Australian former competition swimmer and Olympic gold medallist. A participant in the 2000 Summer Olympics – at just 15 years old – and 2004 Summer Olympics, she was part of gold-medal-winning Australian team in the women's 4×100-metre medley relay at the Athens Games in 2004 and a gold medallist for 100-metre breaststroke in the 2008 Summer Olympics in Beijing.
Brooke Louise Hanson, OAM is an Australian former competitive swimmer, Olympic gold medallist, world champion, and former world record-holder.
Brendan Joseph Hansen is an American former competition swimmer who specialized in breaststroke events. Hansen is a six-time Olympic medalist, and is also a former world record-holder in both the 100-meter and 200-meter breaststroke events.
Glenn Stuart Beringen is an Australian international swimming coach and former athlete. He won a silver medal for breaststroke at the 1984 Summer Olympics and 1982 Commonwealth Games.
Ryan Scott Mitchell is an Australian breaststroke swimmer of the 1990s, who won a silver medal at the 2000 Summer Olympics in Sydney as part of the 4×100-metre medley relay team. Ryan began his swimming career in Port Augusta, where the Ryan Mitchell municipal swimming center is named after him today.
Regan Dean Harrison is an Australian former breaststroke swimmer of the 1990s and 2000s, who won the silver medal at the 2000 Summer Olympics in Sydney as part of the 4×100-metre medley relay team. He was educated at the Anglican Church Grammar School.
Lauren van Oosten is a Canadian competition swimmer and a breaststroke specialist.
Jennifer Louise Reilly is an Australian medley swimmer.
Brenton Scott Rickard is a retired breaststroke swimmer from Australia. He emerged at the international level in 2006, swimming at the Commonwealth games. He has captured multiple Olympic and World Championship medals, as well as world and Commonwealth records. During this period he was coached by Vince Raleigh.
Gabriel Semain Vasconcellos Mangabeira is a Brazilian competition swimmer who qualified for the men's 100-metre butterfly at both the 2004 Summer Olympics and the 2008 Summer Olympics. Mangabeira also won a silver medal in the 100-metre butterfly at the 2007 Pan American Games.
John Clifford Moffet is an American former swimmer who competed at the 1984 Summer Olympics in Los Angeles, California, having also been selected for the 1980 Summer Olympics that were ultimately boycotted by the United States. At the 1984 Olympics, he finished fifth in the final of the men's 100-meter breaststroke event. In 1985 he won three gold medals at both the Pan Pacific Swimming Championships and the Summer Universiade. In 1986, he concluded his collegiate career, after winning five NCAA Division 1 Championships, and moved into the entertainment industry. As a television producer he is a three-time Primetime Emmy Award winner for The Amazing Race.
Kenneth King-him To was a Hong Kong Australian swimmer who practised individual medley, freestyle, butterfly and breaststroke. He won 6 medals at the 2010 Summer Youth Olympics, was the male overall winner of the 2012 FINA Swimming World Cup and was a World Championships silver medallist. He was the holder of 16 Hong Kong national swimming records.
Craig Benson is a Scottish former competitive swimmer who specialised in breaststroke. He represented Great Britain at the Olympics and European Championships.
Henrique Ribeiro Marques Barbosa is an international swimmer from Brazil.
Nicolas Fink is an American five-time world champion in breaststroke events. He is a world record holder in the short course 4×100 meter medley relay and 4×50 meter mixed medley relay. He is the Americas record holder in the short course 50 meter breaststroke, 100 meter breaststroke, and 200 meter breaststroke as well as the American record holder in the long course 50 meter breaststroke. In the 50 meter breaststroke, he won the World Short Course titles in 2021 and 2022 and World Long Course title in 2022. In the 100 meter breaststroke, he is the 2022 World Short Course gold medalist. In the 200 meter breaststroke, he is the 2021 World Short Course gold medalist.
Ross Murdoch is a Scottish competitive swimmer who has represented Great Britain at the Summer Olympics in 2016 and 2020, the FINA World Championships and the LEN European Championships, and Scotland at the Commonwealth Games from 2014 to the present. Between 2014 and 2016, Murdoch became a World, European and Commonwealth champion.
Mackenzie James Horton is an Australian freestyle swimmer. He is an Olympic gold medallist, World Championships medallist, and Commonwealth Games medallist. At the 2016 Olympic Games in Rio de Janeiro, Brazil, he finished first in the 400m freestyle, winning his first gold medal and became the first male swimmer from the state of Victoria to do so in the Games' history.
Michael Houlie is a South African swimmer. He competed in the men's 100 metre breaststroke at the 2019 World Aquatics Championships. In 2019, he represented South Africa at the 2019 African Games held in Rabat, Morocco. He also competed in the men's 100 metre breaststroke event at the 2020 Summer Olympics.
Izaac Stubblety-Cook is an Australian swimmer. He is the world record holder in the long course 200 metre breaststroke.
Brendon Smith is an Australian swimmer. He won the bronze medal in the 400 metre individual medley at the 2020 Summer Olympics and has competed in the Summer Universiade and the 2021 Australian Swimming Trials.
Australia 
