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.
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.
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.
Ye Shiwen is a Chinese swimmer. At the 2012 Summer Olympics, she won gold medals in the 400 metres and 200 metres individual medley, breaking the world record in the 400 m event and the Olympic record in the 200 m event.
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).
Raminta Dvariškytė is a Lithuanian swimmer who specialized in breaststroke events. She represented her nation Lithuania at the 2008 Summer Olympics, and has claimed multiple Lithuanian championship titles and two national records in both the breaststroke and medley relay events.
Sydney Pickrem is a Canadian competitive swimmer. A two-time Olympian, she won a bronze medal at the 2020 Summer Olympics as part of the Canadian 4×100 metre medley relay team, and is a seven-time World Aquatics Championships medallist.
Lillia Camille King is an American swimmer who specializes in breaststroke. 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. At the 2024 Summer Olympics, she won a gold medal in the 4x100 meter medley relay, where she swam the breaststroke leg. She is the current world record holder in the long course 100-meter breaststroke.
William Andrew Licon is an American competitive swimmer who specializes in breaststroke and medley events. He previously competed for the professional team LA Current in the International Swimming League. Licon is a three-time World Championship medalist, a two-time Pan American Games gold medalist and has been a member of the United States national team since 2015. He is the current American record-holder and former NCAA & US Open record-holder in the 200-yard breaststroke.
Anastasia "Nastiya" Gorbenko is an Israeli competitive swimmer. She competes in the backstroke, breaststroke, freestyle, and medley. She has won 8 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. Gorbenko represented Israel at the 2024 Summer Olympics in swimming in the 100m backstroke, 200m backstroke, 100m breaststroke, 200m individual medley, 400m individual medley, 4x200m freestyle relay, and mixed 4x100m medley relay.
Anna Charlott Darcel Elendt is a German swimmer. She competed in the women's 50 metre breaststroke and women's 100 metre breaststroke at the 2019 World Aquatics Championships. She holds the National Record in the 100m breaststroke, with a time of 1:06.50, which she achieved at the German Swimming Championships on 4 June 2021 in Berlin.
Lydia Alice Jacoby is an American professional swimmer. She was the first Alaskan to qualify for an Olympic Games in swimming, competing at the 2020 Summer Olympics in Tokyo in 2021, where she won the gold medal in the 100-meter breaststroke with a time of 1:04.95, which was the fastest time ever achieved by a female American swimmer in the event in the 17–18 age group. Later in the year, she was the overall highest scoring female American competitor at the 2021 FINA Swimming World Cup. In 2022, she became the fastest female American swimmer in history in the 100-yard breaststroke for the 17–18 age group with a national age group record time of 57.54 seconds. In 2023, she further lowered the record to a time of 57.45 seconds, then 57.29 seconds, and set a national age group record of 2:04.32 for the girls 17–18 age group in the 200-yard breaststroke. She is the 2023 NCAA Division I champion in the women's 100-yard breaststroke.
Katherine Cadwallader Douglass is an American competitive swimmer and graduate student in mathematics. A versatile swimmer who competes in many events, Douglass won her first major international medal at the 2020 Olympic Games and then won three medals at the 2022 World Championships. Douglass then won six medals, including two golds, at the 2023 World Championships. At the 2024 World Championships, she won five medals, including two golds. Douglass won four medals, including two golds, at the 2024 Olympic Games; she became the Olympic champion in the 200 m breaststroke.
Léon Marchand is a French swimmer. He is the world record holder in the long course 400 metres individual medley; the Olympic record holder in the 200 metres butterfly, the 200 metres breaststroke and the 200 metres individual medley; and the French record holder in the long course 200 metre individual medley, 200 metre butterfly and 200 metre breaststroke. At the 2024 Summer Olympics, he won gold medals in the 200 m medley, 200 metre breaststroke, 200 metre butterfly, and 400 metre medley. He became the sixth swimmer in Olympic history to win four individual gold medals at a single Games.
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.
Nika Godun is a Russian competitive swimmer. She is a Russian record holder in the short course 4×50 metre medley relay and the 4×100 metre medley relay. She competed at the 2019 and 2021 European Short Course Championships, medaling in the 4×50 metre medley relay and 50 metre breaststroke. At the 2021 World Short Course Championships she placed fifth in the 50 metre breaststroke and the 4×100 metre medley relay, and sixth in the 100 metre breaststroke and the 4×50 metre medley relay.
United States 
