Matthew Nicholas Biondi is an American former competitive swimmer and water polo player. As a swimmer, he is an eleven-time Olympic medalist, and former world record-holder in five events. Biondi competed in the Summer Olympic Games in 1984, 1988 and 1992, winning a total of eleven medals. During his career, he set three individual world records in the 50-meter freestyle and four in the 100-meter freestyle.
Klete Derik Keller is an American former competitive swimmer who is also a convicted participant of the January 6 United States Capitol attack. Before retiring from swimming in 2008, Keller won five Olympic medals, including two golds, at the 2000, 2004, and 2008 Summer Olympics in the 400-meter freestyle and the 4×200-meter freestyle relay.
Thomas Fitzgerald Dolan is an American former competition swimmer, two-time Olympic champion, and former world record-holder.
Peter William Vanderkaay is an American former competition swimmer who specialized in middle-distance freestyle events and is a four-time Olympic medalist. He was a member of the United States Olympic team in 2004, 2008, and 2012, and won bronze medals in the 200-meter freestyle at the 2008 Summer Olympics and the 400-meter freestyle at the 2012 Summer Olympics.
James Price McLane Jr. was an American competition swimmer, three-time Olympic champion, and a world record-holder.
Allison Rodgers Schmitt is an American competition swimmer who specializes in freestyle events. She is a four-time Olympian and a ten-time Olympic medalist.
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.
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.
Daniel Ketchum is an American former swimmer and Olympic gold medalist. At the 2004 Summer Olympics in Athens, Greece, Ketchum earned a gold medal by swimming for the winning U.S. team in the men's 4×200-meter freestyle relay.
Charles Houchin is an American former competition swimmer who has had his greatest international success in freestyle relay events. He earned a gold medal as a member of the winning United States team in the 4×200-meter freestyle relay at the 2012 Summer Olympics. He is the CEO and founder of Swimmingly.
Conor James Dwyer is a former American competition swimmer and Olympic gold medalist. He competed in freestyle and medley events, and won a gold medal as a member of the winning U.S. 4×200-meter freestyle relay team at the 2012 Summer Olympics. In total, he has won seventeen medals in major international competitions: nine gold, six silver, and two bronze spanning the Summer Olympics, the FINA World Championships, the Pan Pacific Championships, and the Pan American Games. Dwyer placed second at the 2016 US Olympic Swimming Trials in the 400m freestyle.
Davis Edward Tarwater is an American swimmer and Olympic gold medalist. He grew up in Knoxville, Tennessee and began competitive swimming at age seven. During high school, he set three state swimming records and led Webb School of Knoxville to the state title. In 2002, he was named High School Swimmer of the Year. Tarwater attended the University of Michigan, earning a bachelor's degree in political science, and St. Antony's College, Oxford earning a master's degree in Latin American Studies.
Kathleen Genevieve Ledecky is an American competitive swimmer. She has won seven Olympic gold medals and 19 world championship gold medals, the most in history for a female swimmer. Ledecky's six individual gold medals at the Olympics, 14 individual gold medals at the World Aquatics Championships, and 22 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 one of the greatest Olympians and the greatest female swimmer 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.
Matthew McLean is an American competition swimmer who has been a member of several winning U.S. teams in freestyle relay events. He was a member of the 2012 United States Olympic team, and earned a gold medal as a member of the winning U.S. team in the 4×200-meter freestyle relay at the 2012 Summer Olympics.
John "Jack" Peet Conger is an American competition swimmer who specializes in butterfly and freestyle events. He is an Olympic gold medalist in the 4 × 200 m freestyle relay from the 2016 Summer Olympics in Rio de Janeiro and the current American record-holder in the 200-yard butterfly with a time of 1:37.35.
Jay Litherland is an American competition swimmer of both Japanese and New Zealand descent. He represents DC Trident which is part of the International Swimming League. He won the silver medal in the Men's 400 Individual Medley at the 2020 Tokyo Olympics in a time of 4:10.28. He was a World University Games gold medalist at the 2015 Summer Universiade and a bronze medalist at the FINA World Junior Swimming Championships. Litherland competed for the University of Georgia in American collegiate swimming.
Zachary "Zach" Douglas Apple is a retired American competitive swimmer who specializes in the sprint freestyle events. He used to swim for DC Trident in the International Swimming League. He won his first Olympic gold medal in the 4x100-meter freestyle relay at the 2020 Summer Olympics, swimming in the prelims and the final of the event, and later in the same Olympic Games won a gold medal and helped set a new world record and Olympic record in the 4x100-meter medley relay, swimming the freestyle leg of the relay in the final.
Jacob Ryan Mitchell is an American swimmer and Olympian. He placed eighth in the 400 meter freestyle at the 2020 Summer Olympics. At the 2019 World Junior Championships, he won a gold medal in the 4×200 meter freestyle relay. He currently competes at the collegiate level for the University of Michigan.
Kevin Patrick Callan is a retired American competitive swimmer. In 2017, he won a silver medal in the 4×200-meter freestyle relay at the 2017 World Junior Championships. In 2020, he won silver medals in the 200-meter freestyle and the 400-meter freestyle at the year's U.S. Open Championships. At the 2020 Summer Olympics, Callan was part of the 4×200-meter freestyle relay that took fourth place. At the 2023 NCAA Division I Men's Swimming and Diving Championships, he won a bronze medal in the 4×200-yard freestyle relay.
United States 
