Laure Manaudou is a retired French Olympic, world and European champion swimmer. She has held the world record in freestyle events between 200 and 1500 meter. She is the older sister of Florent Manaudou who is also an Olympic gold medalist swimmer.
Federica Pellegrini is an Italian retired swimmer. A native of Mirano, in the province of Venice, she won a gold medal at the 2008 Beijing Olympics. At the 2009 World Championships in Rome, Pellegrini became the first woman ever to break the 4-minute barrier in the 400 m freestyle with a time of 3:59.15. She also held the women's 200 meters freestyle world record.
Novella Calligaris is a retired Italian swimmer, and the first Italian to win an Olympic medal in swimming. Her elder brother Mauro Calligaris was also an Olympic swimmer.
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.
Dame Rebecca Adlington is an English former competitive swimmer who specialised in freestyle events in international competition. She won two gold medals at the 2008 Summer Olympics in the 400-metre freestyle and 800-metre freestyle, breaking the 19-year-old world record of Janet Evans in the 800-metre final. Adlington was Britain's first Olympic swimming champion since 1988, and the first British swimmer to win two Olympic gold medals since 1908. After winning her first World Championship gold over 800 metres in 2011, along with silver in the 400 metres at the same meet, she won bronze medals in both the women's 400-metre and 800-metre freestyle events in the 2012 Summer Olympics in London. Adlington is one of the few people to have won Olympic Games, World Championships, European championships and Commonwealth Games gold medals.
Chloe Elizabeth Sutton Mackey is an American former competition swimmer who specializes in freestyle and long-distance events. Sutton represented the United States at two consecutive Olympic Games. Sutton has won a total of five medals in major international competition, three gold, one silver, and one bronze spanning the Open Water Championships, Pan Pacific Championships, and Pan American Games. She was a member of the 2012 United States Olympic team, and competed in the 400-meter freestyle at the 2012 Summer Olympics.
Katinka Hosszú is a Hungarian competitive swimmer specialized in individual medley events. She is a three-time Olympic champion and a nine-time long-course world champion. She is the owner of a Budapest-based swim school and swim club called Iron Swim Budapest, and a co-owner and captain of Team Iron, founding member of the International Swimming League.
Nimrod Shapira is an Israeli two-time Olympic swimmer, having represented Israel at the 2008 Olympics in the 100 meter and 200 meter freestyle, and in the 200 m freestyle for Israel at the 2012 Summer Olympics.
Pál Joensen is a Faroese elite swimmer. He was born in Vágur, Suðuroy, Faroe Islands. He has won World and European Championship medals. His bronze medal in the men's 1500 metre freestyle at the 2012 FINA World Swimming Championships in Istanbul was the first medal won by a Faroese swimmer at the World Aquatic Championships.
Yannick Agnel is a French former competitive swimmer who specialized in freestyle events, and is a three-time Olympic medalist. In his Olympic debut at the 2012 Summer Olympics in London, he won gold in the 200-meter freestyle, gold in the 4×100-meter freestyle relay, and silver in the 4×200-meter freestyle relay. He is the current world record holder in the 400-meter freestyle, the European record holder in the 800-meter freestyle, and the national record holder in the 200- and 400-meter freestyle.
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 Ledecky 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 female 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 eight 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.
Leah Grace Smith is an American competition swimmer who specializes in freestyle events. Smith is a member of the 2016 US Women's Olympic Swimming team, and won a bronze medal in the 400 m freestyle and a gold medal in the 4 × 200 m relay at those games.
Ajna Evelin Késely is a Hungarian competitive swimmer who specialises in freestyle.
Simona Quadarella is an Italian swimmer. She specializes in long distance freestyle events. At the 2020 Summer Olympics, she won a bronze medal in Women's 800 metre freestyle, and at the 2019 World Championships in Gwangju, won the gold medal in the 1500 m freestyle, and the silver medal in the 800 m freestyle.
Tomer Frankel is an Israeli Olympic swimmer. He is the former European junior champion in the 100m freestyle and the 4 × 200m freestyle, and competed at the 2020 Tokyo Olympics. Frankel represented Israel at the 2024 Paris Olympics in the 100 metre freestyle, 100 metre butterfly, 4 × 100 metre freestyle relay, and 4 × 200 metre freestyle relay.
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.
Lea Polonsky is an Israeli swimmer. At the 2017 European Youth Olympics she won silver medals in the 200m Medley and the mixed 4×100m Medley Relay. At the 2019 European Junior Swimming Championships she won a bronze medal in the 200 IM, and at the 2024 European Aquatics Championships she won a gold medal in the 4×200m freestyle relay, and the silver medal in the 200m medley. Polonsky represented Israel at the 2024 Paris Olympics in the Women's 200 metre freestyle, the 200 metre individual medley, and the 4×200 metre freestyle relay.
Emma Weyant is an American competitive swimmer. At the 2020 Olympic Games, she won the silver medal in the 400 m individual medley, and she won the bronze medal in the same event at the 2024 Olympic Games.
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.
Italy 
