Inge de Bruijn is a Dutch former competitive swimmer. She is a four-time Olympic champion and a former world record-holder.
Malin Therese Alshammar is a Swedish swimmer who has won three Olympic medals, 25 World Championship medals, and 43 European Championship medals. She is a specialist in short distances races in freestyle and butterfly. She is coached by former Swedish swimmer Johan Wallberg. She is the first female swimmer and the third overall to participate in six Olympic Games.
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.
Milorad "Milo" Čavić is a Serbian former professional swimmer. He won a silver medal in the 100-meter butterfly at the 2008 Summer Olympics in a historic race with American swimmer Michael Phelps. Čavić also was World and European champion, as well as world record holder. He is one of four swimmers who broke 50 seconds in the 100m butterfly.
Stefan Remco Aartsen is a former butterfly swimmer from the Netherlands, who twice competed for his native country at the Summer Olympics: in 1996 and 2000.
Andrew David Jameson is an English sports commentator and former competitive swimmer. Active as an elite swimmer in the mid to late 1980s he represented Great Britain in two consecutive Summer Olympics, the FINA World Championships, LEN European Championships, as well as England in the Commonwealth Games. At his peak between 1986 and 1988 he won the gold medal in 100 metre butterfly at the 1986 Commonwealth Games, the 1987 European Aquatics Championships and the 1987 Summer Universiade, as well as the 100 metre freestyle gold at the same Universiade. Winning the bronze medal at the 1986 World Aquatics Championships, Jameson's career in the pool culminated in winning the bronze medal in the 1988 Summer Olympics, his second and final Olympic Games.
Ranomi Kromowidjojo is a retired Dutch swimmer of mixed Dutch-Javanese Surinamese origin who mainly specialises in sprint freestyle events. She is a triple Olympic champion, winning the gold medal in the 4 × 100 m freestyle relay at the 2008 Olympics, and in the 50 m freestyle and 100 m freestyle at the 2012 Olympics. Kromowidjojo holds the world record in the 50 meter freestyle short course, and as part of the Dutch team she holds the world record in the 4×50 m freestyle relay. She formerly held world records in the 4 × 100 m and 4 × 200 m freestyle relays. She has won a total of 39 medals in FINA World Championship events.
Sarah Fredrika Sjöström is a Swedish competitive swimmer specialising in the sprint freestyle and butterfly events. She is the current world record holder in the 50 metre freestyle, the 100 metre freestyle, the 50 metre butterfly and the 100 metre butterfly. She is a former world record holder in the 50 metre freestyle, 100 metre freestyle, 100 metre butterfly, 200 metre freestyle, and the 4×50 metre medley relay. She is the first Swedish woman to win an Olympic gold medal in swimming. She won the Overall Swimming World Cup in 2017 and 2018. In 2022, she became the first swimmer representing a country in Europe to win 10 individual World Championships gold medals. She currently represents Energy Standard in the International Swimming League.
Amaury Raymond Leveaux is a French swimmer from Belfort. Leveaux is a former world record holder in the 100 m freestyle, the 50 m freestyle, and the 50 m butterfly. He also formerly held the national record in the 200 m freestyle.
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.
Joeri Verlinden is a Dutch swimmer who specializes in butterfly and freestyle. He is currently trained by Martin Truijens. He was previously trained by Marcel Wouda.
Velimir Stjepanović is a Serbian professional swimmer currently representing DC Trident at the International Swimming League. He has won gold medals at the European Championships, European Short Course Championships and Mediterranean Games.
Jérémy Stravius is a French swimmer, swimming freestyle, backstroke, and butterfly.
Florent Manaudou is a French competitive swimmer, an Olympic champion of the 50-meter freestyle at the 2012 London Olympics, and the younger brother of Laure Manaudou, a 2004 Olympic gold medalist in swimming. He currently holds the world record in the 50-meter backstroke. He competes for the Energy Standard Swim Club in the International Swimming League.
Benjamin Proud is an English competitive swimmer, representing Great Britain at the Olympic Games, the FINA World Aquatics Championships and LEN European Aquatics Championships, and England at the Commonwealth Games. Proud specialises in sprint freestyle and butterfly races, specifically the 50-metre distance in both. He is the 2022 World Champion in the 50 metre freestyle, his second long course world title. He is the 2017 world champion in the 50-metre butterfly. He is only the third male swimmer to be simultaneously short-course and long-course World Champion at 50 metre freestyle, after César Cielo and Florent Manaudou.
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 gold medals representing Great Britain at the Olympic Games, the World and European Championships, and England in the Commonwealth Games.
Caeleb Remel DresselOLY is an American professional swimmer who specializes in freestyle, butterfly, and individual medley events. He swims representing the Cali Condors as part of the International Swimming League. He won a record seven gold medals at the 2017 World Aquatics Championships in Budapest, nine medals, six of which were gold, at the 2018 World Swimming Championships in Hangzhou, and eight medals, including six gold, at the 2019 World Aquatics Championships in Gwangju. Dressel is a seven-time Olympic gold medalist and holds world records in the 100 meter butterfly, 50 meter freestyle, and 100 meter individual medley.
Kristóf Milák is a Hungarian swimmer. He is the current holder of the world record in the long course 200 metre butterfly and the European record in the long course 100 metre butterfly. He also currently holds the Hungarian record in the short course 50 metre backstroke. At his first Olympic Games, the 2020 Summer Olympics, he won a gold medal in the 200 metre butterfly and a silver medal in the 100 metre butterfly. He has also won three gold medals and one silver at the World Aquatic Championships, as well as three gold medals at the European Aquatics Championships. He was the gold medalist in the 400 metre freestyle, 200 metre freestyle, and 200 metre butterfly events at the 2018 Summer Youth Olympics.
Netherlands 
