Canada competed at the 2000 Summer Olympics in Sydney, Australia, held from 15 September to 1 October 2000. 294 competitors, 150 men, and 144 women, took part in 175 events in 29 sports.
Ian Lovett O'Brien is an Australian breaststroke swimmer of the 1960s who won the 200 metre breaststroke at the 1964 Summer Olympics in Tokyo in world record time. He won five Commonwealth Games gold medals and claimed a total of nine individual and six relay titles at the Australian Championships, before retiring at the age of 21 due to financial pressures.
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.
Luiz Francisco Teixeira de Carvalho (born March 22, 1962, in São Paulo, Brazil, is a former breaststroke swimmer from Brazil.
Alia Shanee Atkinson, СD 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.
Felipe Alves França da Silva is a Brazilian breaststroke swimmer, who competed for his country in three Olympic Games.
Rūta Meilutytė is a Lithuanian swimmer. An Olympic gold medalist, she is a world record holder in the short course 50 metre breaststroke, 100 metre breaststroke and long course 50 metre breaststroke. She is a former world record holder in the long course 100 metre breaststroke.
István Hunor Mate is an Austrian swimmer, who specialized in breaststroke events. He is also a twenty-two time Austrian national champion, five-time Austrian national record holder, and a current member of Wolfsberger SV in Vienna, Austria.
Felipe Ferreira Lima is a Brazilian swimmer. He has six medals in World Championships: two in long course, and four in short course, highlighting his bronze medal in the 100 metre breaststroke at the 2013 World Championships. At the 2012 Summer Olympics, he competed in the men's 100 metre breaststroke, finishing in 8th place in his semi-final and failing to reach the final.
Henrique Ribeiro Marques Barbosa is an international swimmer from Brazil.
Kevin Cordes is an American competitive swimmer who specializes in breaststroke events. He currently represents the Cali Condors which is part of the International Swimming League. Cordes was a member of the 2016 U.S. Men's Olympic Swimming Team. He won gold in the 4 × 100 m medley relay as a member of the preliminary relay, and took 4th place in the Men's 100m Breaststroke at the 2016 Olympic Games. He is the former American record holder in the 50-meter and 100-meter breaststroke.
Nicolas Fink is an American competitive swimmer. He is a 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.
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.
Anton Mikhailovich Chupkov is a Russian competitive swimmer. He is the European record holder in the long course 200 metre breaststroke and the Russian record holder in the long course 100 metre breaststroke. He formerly held the world record in the long course 200 metre breaststroke. At the 2015 European Games he won four gold medals in individual and relay events. He won the bronze medal in the 200 metre breaststroke at the 2016 Summer Olympics. He won the gold medal in the 200 metre breaststroke at the 2017 and 2019 World Aquatics Championships.
Michael Charles Andrew is an American competitive swimmer and an Olympic gold medalist. He was the 2016 world champion in the 100 meter individual medley. At his first Olympic Games, the 2020 Summer Olympics, he won a gold medal and set a world record as part of the 4x100 meter medley relay, placed fourth in the 100 meter breaststroke, fourth in the 50 meter freestyle, and fifth in the 200 meter individual medley. Andrew's swims in 2021 at the 2020 Olympics made him the first swimmer to represent the United States at an Olympic Games in an individual breaststroke event as well as another individual event other than an individual medley in the then-125-year-history of swimming at the Summer Olympics. He has won 78 medals at Swimming World Cup circuits.
Lillia Camille King is an American swimmer who specializes in breaststroke. She currently represents the Cali Condors, a team that is part of the International Swimming League. At the 2016 Summer Olympics, she won the gold medal in the 100-meter breaststroke competition and also won a gold medal in the 4x100 meter medley relay, in which she swam the breaststroke leg. At the 2020 Summer Olympics, King won a silver medal in the 4x100 meter medley relay for her efforts in the prelims, the silver medal in the 200-meter breaststroke, and the bronze medal in the 100-meter breaststroke. She is the current world record holder in the long course 100-meter breaststroke.
Tatjana Schoenmaker is a South African professional swimmer specialising in breaststroke events. She is the former world record holder in the long course 200-metre breaststroke and is the African record holder in the long course and short course 100-metre breaststroke as well as the short course 200-metre breaststroke. She is a former African record holder in the long course 50-metre breaststroke and former South African record holder in the short course 50-metre breaststroke. She won the gold medal and set the world record in the 200-metre breaststroke and also won the silver medal in the 100-metre breaststroke at the 2020 Olympic Games.
Nicolò Martinenghi is an Italian swimmer. He is a two-time world record holder in the 4×50 metre medley relay, swimming breaststroke on both relays. He is the Italian record holder in the 50 metre breaststroke and 100 metre breaststroke.
Vladislav Gerasimenko is a Russian competitive swimmer. He is a world junior record holder in the long course 4×100 metre medley relay, swimming a 59.53 for the breaststroke portion of the relay. He is a four-time medalist at the 2018 Summer Youth Olympics and a five-time medalist at the World Junior Swimming Championships, spanning breaststroke and freestyle disciplines. He competed at the 2021 European Short Course Swimming Championships, placing sixteenth in the preliminaries of the 50 metre breaststroke.
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