Pieter Cornelis Martijn van den Hoogenband is a Dutch retired swimmer. He is a triple Olympic champion and former world record holder.
Marcel Reinier Wouda is a Dutch former swimmer, who became the first Dutch world champion in men's swimming when he won the world title in the 200 m individual medley at the 1998 World Aquatics Championships in Perth, Australia. He was the coach of Olympic champions Maarten van der Weijden and Hinkelien Schreuder at the Nationaal Zweminstituut Eindhoven.
Sebastiaan Verschuren is a Dutch former competitive swimmer who specialized in short- and middle-distance freestyle events. At the 2016 European Aquatics Championships he won the gold medal in the 200 meter freestyle. He participated in the 2012 and 2016 Olympics, finishing 5th in the 100 meter freestyle in 2012.
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.
Frederike Johanna Maria "Femke" Heemskerk is a former Dutch competitive swimmer who mainly specializes in freestyle, but also has a strong backstroke and medley.
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.
Sharon van Rouwendaal is a Dutch swimmer and the Olympic gold medalist in the 10 km open water marathon at the 2016 Olympics in Rio de Janeiro and the 2024 Olympics in Paris.
Kathleen Genevieve LedeckyOLY is an American competitive swimmer. She has won nine Olympic gold medals and 21 world championship gold medals, the most in history for a female swimmer. With 14 medals and 9 gold medals, she is also the most decorated American woman, most decorated female swimmer, the woman with the most gold medals and fifth-most decorated athlete in Olympic history. She has won a record 16 individual gold medals at the World Aquatics Championships. Ledecky's 10 individual medals at the Olympics and 26 overall medals at the World Aquatics Championships are records in women's swimming. Ledecky is the world record holder in the women's 800- and 1500-meter freestyle, as well as the former world record holder in the women's 400-meter freestyle. She also holds the fastest-ever times in the women's 500-, 1000-, and 1650-yard freestyle events. She is widely regarded as the greatest female swimmer of all time and one of the greatest Olympians of all time.
Connor Lee Jaeger is a former American competition swimmer who specializes in distance freestyle events. Jaeger attended the University of Michigan where he was a three-time All-American. He was a member of the 2012 United States Olympic team, placing sixth in the 1500 metre freestyle at those Olympics, as well as the 2016 United States Olympic team, where he earned a silver medal in the same event. He currently holds the American record in the short course 1500 metre freestyle.
Marrit Steenbergen is a Dutch competitive swimmer. She won gold medals in the 100 m and 200 m freestyle events at the 2022 European Championships held in Rome, Italy.
Esmee Vermeulen is a Dutch swimmer.
Robin Neumann is a Dutch competitive swimmer who specializes in freestyle.
Andrea Kneppers is a Dutch competitive swimmer who specialises in freestyle.
Ajna Evelin Késely is a Hungarian competitive swimmer who specialises in freestyle.
Ben Schwietert is a Dutch competitive swimmer who specializes in freestyle.
Jesse Puts is a Dutch competitive swimmer who specializes in freestyle. He is the 2016 world champion in the 50 meter freestyle. He holds the Dutch records in this event in both long course and short course, as well as in the 100 meter freestyle.
Mallory Comerford is an American competitive swimmer specializing in freestyle events. Comerford was the winner of five gold medals at the 2017 World Aquatics Championships. She won USA Swimming's Golden Goggle Award for Breakout Performer of the Year for 2017. The following year, Comerford won eight medals in individual and relay events at the 2018 World Swimming Championships.
Luc Kroon is a Dutch former swimmer from Volendam. He is the current holder of the Dutch records in swimming in the 400m freestyle and 800m freestyle short-course. He competed at the 2020 European Aquatics Championships in the 400 metre freestyle event. He won with the team the silver medal in the mixed 4 × 100 metre freestyle relay event.
Netherlands 
