Dana Whitney Vollmer is a former American competition swimmer, five-time Olympic gold medalist, and former world record-holder. At the 2004 Summer Olympics, she won a gold medal as a member of the winning United States team in the 4×200-meter freestyle relay that set the world record in the event. Eight years later at the 2012 Summer Olympics, Vollmer set the world record on her way to the gold medal in the 100-meter butterfly, and also won golds in the 4×100-meter medley relay and 4×200-meter freestyle relay. She won three medals including a gold at the 2016 Summer Olympics in Rio de Janeiro.
Magdalena Johanna Maria "Marleen" Veldhuis is a retired swimmer from the Netherlands. She was world record holder in four events. Veldhuis won eight world championships gold medals and 20 European championships gold medals. In the Olympics, she won a bronze medal in London 2012 in the 50 m freestyle, as well as three relay medals: bronze in Athens 2004, gold in Beijing 2008, and silver in London 2012.
Chantal Groot is a butterfly and freestyle swimmer from the Netherlands, who has represented her country in many international championships since 1999. The best distance of Chantal Groot is the 50 m butterfly in which she won five European LC Championships medals, for the first time in 1999 in Istanbul, and became European Champion in 2008 in Eindhoven.
Éva Risztov is a Hungarian Olympic gold medalist female swimmer.
Blaž Medvešek is a former backstroke swimmer from Slovenia, who competed for his native country of Slovenia at the 2004 Summer Olympics in Athens, Greece as well as at 2000 Summer Olympics in Sydney, Australia. In his swimming career, he has represented Branik, Maribor and Ilirija, Ljubljana Swimming Clubs and achieved highest achievements while training in Ljubljana with coach Dimitrij Mancevič and team mate Peter Mankoč.
Jernej Godec is a freestyle and butterfly swimmer from Slovenia, who competed for his native country at the 2004 Summer Olympics in Athens, Greece and the 2008 Summer Olympics in Beijing, China.
Frederike Johanna Maria "Femke" Heemskerk is a former Dutch competitive swimmer who mainly specializes in freestyle, but also has a strong backstroke and medley.
Sarah Fredrika Sjöström is a Swedish competitive swimmer specialising in the sprint freestyle and butterfly events.
Robin van Aggele is an Olympic and national-record-holding swimmer from the Netherlands and the most all-round Dutch swimmer since Marcel Wouda.
Michael Fred Phelps II is an American former competitive swimmer. He is the most successful and most decorated Olympian of all time with a total of 28 medals. Phelps also holds the all-time records for Olympic gold medals (23), Olympic gold medals in individual events (13), and Olympic medals in individual events (16). At the 2004 Summer Olympics in Athens, Phelps tied the record of eight medals of any color at a single Games, held by gymnast Alexander Dityatin, by winning six gold and two bronze medals. Four years later, when he won eight gold medals at the 2008 Beijing Games, he broke fellow American swimmer Mark Spitz's 1972 record of seven first-place finishes at any single Olympic Games. At the 2012 Summer Olympics in London, Phelps won four gold and two silver medals, and at the 2016 Summer Olympics in Rio de Janeiro, he won five gold medals and one silver. This made him the most successful athlete of the Games for the fourth Olympics in a row.
Steffen Deibler is a German former competitive swimmer from Biberach an der Riß. From 2009 to 2018 he was the world record holder for the 50 m butterfly.
Emma Jennifer McKeon, is a retired Australian competitive swimmer. She is an eight-time world record holder, three current and five former, in relays. Her total career haul of 14 Olympic medals following the 2024 Olympic Games made her the most decorated Australian, the third-most decorated swimmer, and the seventh-most decorated athlete in Olympic history and included one gold medal from the 2016 Summer Olympics in Rio de Janeiro, four gold medals from the 2020 Summer Olympics in Tokyo and one gold medal from the 2024 Summer Olympics in Paris. With four gold and three bronze medals she was the most decorated athlete across all sports at the 2020 Summer Olympics, and tied for the most medals won by a woman in a single Olympic Games. She also won 20 medals, including five gold medals, at the World Aquatics Championships; and a record 20 medals, including 14 gold, at the Commonwealth Games.
Mehdy Metella is a French freestyle and butterfly swimmer. He was part of the freestyle and medley 4 × 100 m teams that won a gold and a silver medal at the 2014 European Aquatics Championships and gold and bronze at the 2015 World Championship. In both cases, he swam the butterfly leg in the medley relay.
James George Guy is an English competitive swimmer who specialises in freestyle and butterfly. Guy has won multiple gold medals at each of the major international meets available to him, including for Great Britain at the Olympic Games (3), the World (5) and European Championships (7), and for England in the Commonwealth Games (2). In addition to further medals in those events, he has also reached the podium at both the World and European short-course championships. With 46 major medals at international championship meets, 20 at global level, he is one of the most decorated swimmers in British history.
Sirena Rowe is a Colombian swimmer.
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.
Victoria "Torri" Huske is an American competitive swimmer and the reigning Olympic champion in the 100-meter butterfly. She holds world records in two relays: the 4x100-meter medley and 4x100-meter mixed medley. She is the former American record holder in the 50- and 100-meter butterfly.
Katherine Cadwallader Douglass is an American competitive swimmer. A versatile swimmer who competes in many events, Douglass won her first major international medal at the 2020 Olympic Games and 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.
Gal Cohen Groumi is an Israeli Olympic swimmer. At the 2017 European Youth Olympics he won two silver medals in medley relay, at the 2018 European Junior Swimming Championships he won a gold medal in the 4×200 m freestyle relay, and at the 2019 European Junior Swimming Championships he won a bronze medal in the 200m IM. At the 2024 European Championships Mixed 4×100 metre medley relay he won a gold medal. Cohen Groumi represented Israel at the 2024 Paris Olympics in the 100 metre butterfly, 4×100 metre freestyle relay, 4×200 metre freestyle relay, and Mixed 4×100 metre medley relay.
Daria Sergeevna Klepikova is a Russian competitive swimmer. She is a Russian record holder in the short course 4×50 metre freestyle relay and 4×50 metre medley relay. She won two gold medals at the 2021 European Short Course Championships, one in the 4×50 metre freestyle relay and one in the 4×50 metre medley relay, swimming freestyle on each finals relay. At the 2021 European Junior Championships she won six gold medals and one silver medal in individual and relay events.
France 
