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.
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.
Jim Alan Piper is a former Olympic breaststroke swimmer from Australia. He swam for Australia at the:
Claudia Anne Kolb, also known by her married name Claudia Thomas, is an American former competition swimmer, swim coach, two-time Olympic champion, and former world record-holder in four events.
Paolo Bossini is an Italian breaststroke swimmer. He was European Champion in 2004, both short and long course, in 200 m breaststroke. He achieved the 4th place in the same distance in the 2004 Summer Olympics. He lives in Switzerland at the moment.
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.
Jan Margo Henne, also known by her married name Jan Hawkins, is an American former competition swimmer, Olympic champion, and former world record-holder.
Mireia Belmonte García is a Spanish Olympic, world, and European champion swimmer. She is the world record holder in the short course 200 metre butterfly and 400 metre individual medley. Formerly, she held the world record in the short course 400 metre freestyle, 800 metre freestyle, and 1500 metre freestyle. She was the first Spanish woman to win a gold medal in swimming at an Olympic Games and is widely considered to be the greatest Spanish swimmer of all time.
Yuliya Andreyevna Yefimova is a Russian competitive swimmer. She is the Russian record holder in the 200 metre individual medley, 50 metre breaststroke, 100 metre breaststroke, and 200 metre breaststroke. After making her Olympic debut in 2008, she went on to win the bronze medal in the 200 metre breaststroke in 2012, and silver medals in the 100 metre and 200 metre breaststroke in 2016. She is a six-time World Champion, winning the 50 metre breaststroke in 2009 and 2013, the 100 metre breaststroke in 2015, and the 200 metre breaststroke in 2013, 2017, and 2019. In 2019, she became the first woman to win the 200 metre breaststroke at a FINA World Aquatics Championships three times. She is a former world record holder in the long course 50 metre breaststroke. She has won 109 medals, including 48 gold medals, at Swimming World Cups.
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.
Rebecca Soni is an American former competition swimmer and breaststroke specialist who is a six-time Olympic medalist. She is a former world record-holder in the 100-meter breaststroke and the 200-meter breaststroke, and is the first woman to swim the 200-meter breaststroke in under 2 minutes 20 seconds. As a member of the U.S. national team, she held the world record in the 4×100-meter medley relay from 2012 to 2017.
Rikke Møller Pedersen is a Danish competitive swimmer specialising in breaststroke and from 2013 to 2021 world record holder in the 200 m breaststroke (2:19.11).
Craig Benson is a Scottish former competitive swimmer who specialised in breaststroke. He represented Great Britain at the Olympics and European Championships.
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.
The swimming events of the 15th FINA World Aquatics Championships were held July 28 – August 4, 2013, in Barcelona, Spain. The competition was held in a long course pool inside the Palau Sant Jordi. It featured 40 LCM events, split evenly between males and females. Swimming was one of the five aquatic disciplines at the championships.
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.
Anastasia "Nastiya" Gorbenko is an Israeli competitive swimmer. She competes in the 100 m backstroke, 100 m breaststroke, 100 m freestyle, 200 m backstroke, 200 m breaststroke, 200 m medley, 50 m backstroke, 4 × 100 m freestyle, 4 × 100 m medley, 4 × 100 m freestyle mixed, and 4 × 200 m freestyle. She has won 4 World and European championships gold medals, competed at 2 Olympic finals, broken most of the Israeli national records for women and mixed relays, and is considered to be Israel's greatest swimmer of all time. In February 2024, Gorbenko won a silver medal at the Doha World Championships in the women's 400 meters individual medley.
Benedetta Pilato is an Italian swimmer. She is the world record holder in the long course 50 metre breaststroke. She is the European champion in the 50 metre breaststroke in 2021 and the 100 metre breaststroke in 2022 as well as the silver medalist in the 50 metre breaststroke in 2022. In 2021, she won a silver medal in the 50 metre breaststroke at the 2021 World Short Course Championships. She is the world champion in the 100 metre breaststroke and the silver medal in the 50 metre breaststroke at the 2022 World Aquatics Championships.
Anastasia R. Makarova is a Russian competitive swimmer. In the 100 metre breaststroke, she won the gold medal at the 2018 Summer Youth Olympics and silver medals at the European Junior Swimming Championships in 2018 and 2019. In the 200 metre breaststroke, she won a silver medal at the 2019 World Junior Championships, a gold medal at the 2018 European Junior Championships, and a silver medal at the 2019 European Junior Championships. In the 50 metre breaststroke, she won a bronze medal at the 2019 European Junior Championships.
Alessandro Pinzuti is an Italian competitive swimmer. He won a gold medal in the 4×100 metre medley relay and the bronze medal in the 100 metre breaststroke at the 2022 Mediterranean Games. At the 2020 European Aquatics Championships, he won a bronze medal as part of the 4×100 metre medley relay, placed seventh in the 100 metre breaststroke and eighth in the 50 metre breaststroke. At the junior level, he won silver medals in the 50 metre breaststroke at the 2017 World Junior Championships and the 2017 European Junior Championships as well as a bronze medal in the 100 metre breaststroke at the 2017 European Junior Championships.
Italy 
