Natalie Anne Coughlin Hall is an American former competition swimmer and twelve-time Olympic medalist. While attending the University of California, Berkeley, she became the first woman ever to swim the 100-meter backstroke in less than one minute—ten days before her 20th birthday in 2002. At the 2008 Summer Olympics, she became the first U.S. female athlete in modern Olympic history to win six medals in one Olympiad, and the first woman ever to win a 100-meter backstroke gold in two consecutive Olympics. At the 2012 Summer Olympics, she earned a bronze medal in the 4×100-meter freestyle relay.
Sarah Fredrika Sjöström is a Swedish competitive swimmer specialising in the sprint freestyle and butterfly events. In the history of swimming, Sarah is one of the most decorated swimmers in the world of all time.
Emma Jennifer McKeon, is an Australian competitive swimmer. She is an eight-time world record holder, three current and five former, in relays. Her total career haul of 11 Olympic medals following the 2020 Olympic Games made her Australia's most decorated Olympian and included one gold medal from the 2016 Summer Olympics in Rio de Janeiro and four gold medals from the 2020 Summer Olympics in Tokyo. 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 has 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.
Evgeny Mikhailovich Rylov is a Russian competitive swimmer and Olympic champion specializing in backstroke events. He won three gold medals at the 2014 Summer Youth Olympics in Nanjing, and a bronze medal at his senior international debut at the 2015 World Championships in Kazan. He also won a bronze medal at the 2016 Summer Olympics in Rio de Janeiro and a gold medal at the 2017 World Championships in Budapest, both were in the 200 metre backstroke event. In 2018, at the 2018 World Short Course Championships, he won gold medals in the 200 metre backstroke and 50 metre backstroke. At the 2019 World Championships, he won a gold medal in the 200 metre backstroke, silver medal in the 100 metre backstroke, and silver medal in the 50 metre backstroke. He won the gold medal in the 100 metre backstroke and 200 metre backstroke at the 2020 Summer Olympics in Tokyo.
Kira Marije Toussaint is a Dutch competitive swimmer who specialises in backstroke. She is the former world record holder in the short course 50 metre backstroke and the Dutch record holder in the long course 50 metre backstroke and 100 metre backstroke, and the short course 50 metre, 100 metre, and 200 metre backstroke. She also holds the European record in the long course and short course 50 metre backstroke. At the 2021 FINA Swimming World Cup, Toussaint placed second overall for a competitor of any gender in terms of total points scored and earned 11 gold medals.
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.
Regan Smith is an American competitive swimmer. As of 2022, Smith trains under Bob Bowman with the Arizona State University professional training group. She is the world junior record holder in the women's long course 100-meter backstroke and 200-meter backstroke and a former world record holder in the long course 100-meter backstroke and the 200-meter backstroke. She competed at the 2020 Summer Olympics in three events representing the United States, winning a bronze medal in the 100-meter backstroke, a silver medal in the 200-meter butterfly, and a silver medal in the 4×100-meter medley relay. At the World Aquatics Championships, she won individual gold medals in the 200-meter backstroke in 2019 and the 100-meter backstroke in 2022 and a relay gold medal swimming the backstroke leg of the 4x100 medley relay in 2023.
Kaylee Rochelle McKeown is an Australian swimmer and triple Olympic gold medalist. She is the world record holder in the long course 50 metre backstroke, 100 metre backstroke and both the long course and short course 200 metre backstroke. She won gold in both the 100 metre and 200 metre backstroke, as well as the 4×100 metre medley relay at the 2020 Summer Olympics staged in Tokyo in 2021. In 2023, she was named as the "Best Female Swimmer of the Year" by World Aquatics, after sweeping gold in all three events of backstroke at all three World Cup legs, held in Berlin, Athens and Budapest in October, 2023.
Rebecca Meder is a South African swimmer. She is the African record holder in the 100 metre individual medley and the South African record holder in the long course and short course 200 metre individual medley. At the 2022 World Short Course Championships, she placed sixth in the final of the 100 metre individual medley. In the 200 metre individual medley at the 2022 Commonwealth Games, she placed fourth in the final. At the 2021 African Championships, she won 11 gold medals, six in individual events and five in relay events, swimming on the finals relay for each of the five relay events.
Marie Khoury is a Lebanese swimmer. She competed in the women's 50 metre freestyle and 50 metre backstroke at the 2019 World Aquatics Championships. She represented Lebanon at the 2022 World Aquatics Championships held in Budapest, Hungary. She competed in the women's 50 metre freestyle and women's 50 metre backstroke events.
Thomas Ceccon is an Italian swimmer. He is a world record holder in the long course 100 metre backstroke and the short course 4×100 metre freestyle relay. He is also the Italian record holder in the long course 50 metre backstroke and 50 metre butterfly. He is the 2022 World champion in the 100 metre backstroke and 2022 European champion in the 100 metre backstroke and 50 metre butterfly. In the 100 metre individual medley, he won the gold medal at the 2022 World Short Course Championships and the bronze medal at the 2021 World Short Course Championships. At the 2020 Summer Olympics, he won a silver medal in 4×100 metre freestyle relay, a bronze medal in the 4×100 metre medley relay, placed fourth in the 100 metre bacsktroke, and placed twelfth in the 100 metre freestyle.
Ingrid Wilm is a Canadian swimmer, specializing in the backstroke.
Claire Curzan is an American competitive swimmer and Olympian. Specialising in multiple events, she earned an Olympic silver medal in the 4×100 meter medley relay in the 2020 Summer Olympics by swimming the preliminary butterfly leg. She holds junior world records in the long course 50 meter freestyle and 100 meter butterfly and the short course 50 meter butterfly and 100 meter butterfly. She also holds American records in the short course 50 meter backstroke and 50 meter butterfly, and formerly held the American record in the 100 yard butterfly. She currently swims for the Virginia Cavaliers.
Pieter Coetze is a South African swimmer. He is the African record holder in the long course and short course 100 metre backstroke and short course 50 metre backstroke. At the 2022 Commonwealth Games, he won the gold medal in the 100 metre backstroke, the silver medal in the 50 metre backstroke, and the bronze medal in the 200 metre backstroke. At the 2022 World Junior Championships, he competed in ten events, including winning the gold medal in the 200 metre backstroke, silver medals in the 50 metre backstroke, 100 metre backstroke, and the 4×100 metre medley relay, as well as a bronze medal in the 4×100 metre mixed medley relay.
Michele Lamberti is a competitive Italian swimmer. He is a former world record holder in the short course 4×50-metre medley relay. He currently holds the Italian record in the short course 50-metre backstroke. At the 2021 European Short Course Championships he won a gold medal and set a world record in the 4×50-metre medley relay, won three silver medals, one in the 50-metre backstroke, one in the 100-metre butterfly, and one in the 4×50-metre mixed medley relay, and won a bronze medal in the 200-metre backstroke. At the 2021 World Short Course Championships he won two bronze medals in relay events, swimming in the preliminaries for each relay.
Lorenzo Mora is a competitive Italian swimmer. He is a world record holder in the short course 4×50 metre medley relay. He is the Italian record holder in the short course 100 metre backstroke and 200 metre backstroke. In the 50 metre backstroke, he won the silver medal at the 2021 World Short Course Championships and the bronze medal at the 2022 Mediterranean Games. In the 100 metre backstroke, he won the silver medal at each the 2022 World Short Course Championships and the 2022 Mediterranean Games. In the 200 metre backstroke, he won the bronze medal at the 2022 World Short Course Championships, the silver medal at the 2021 European Short Course Championships, and the gold medal at the 2022 Mediterranean Games.
Analia Pigrée is a French Guianese swimmer who competes internationally representing France. She is the French record holder in the long course and short course 50 metre backstroke and the short course 100 metre backstroke. In the 50 metre backstroke, she won the gold medal at the 2022 European Aquatics Championships, a silver medal at the 2021 European Short Course Championships, and the bronze medal at the 2022 World Aquatics Championships. In the 100 metre backstroke, she won the bronze medal at the 2021 European Short Course Championships.
Jimena Leguizamón Leal is a Colombian competitive swimmer. At the 2022 Bolivarian Games, she won gold medals in the 200 metre backstroke and 4×100 metre medley relay and bronze medals in the 200 metre individual medley and 100 metre backstroke. At the 2022 World Aquatics Championships, she placed sixteenth in the 200 metre backstroke and became the first female Colombian swimmer to reach the semifinals stage of competition in the event at a FINA World Aquatics Championships. She won the silver medal in the 200 metre backstroke at the 2021 Junior Pan American Games and two gold medals and two silver medals in individual events at the 2022 South American Youth Games.
Roos Vanotterdijk is a Belgian competitive swimmer. She is the Belgian record holder in the long course 50 metre freestyle, 100 metre freestyle, 50 metre backstroke, 100 metre backstroke, and 100 metre butterfly, as well as the short course 50 metre backstroke and 100 metre individual medley. She is a six-time medalist in individual events at the European Junior Swimming Championships and medalist at the European Youth Olympic Festival.
Dóra Molnár is a Hungarian competitive swimmer. Competing at the 2022 World Aquatics Championships when she was 15 years old, she placed seventh in the 200-metre backstroke, fifth in the 4×200-metre freestyle relay, and eighth in the 4×100-metre freestyle relay. She is the 2022 European Aquatics Championships bronze medalist in the 200-metre backstroke. She won four gold medals, in the 100-metre backstroke, 4×100-metre freestyle relay, 4×200-metre freestyle relay, and the 4×100-metre mixed freestyle relay, as well as one silver medal, in the 200-metre backstroke, at the 2022 World Junior Championships. At the 2022 European Junior Championships, she won gold medals in the 100-metre backstroke, 200-metre backstroke, 4×200-metre freestyle relay, and 4×100-metre mixed freestyle relay and silver medals in the 100-metre freestyle and 4×100-metre medley relay.
Indonesia 
