Joshua John Watson is an Australian backstroke swimmer who won a silver medal in the 4×100-metre medley relay at the 2000 Summer Olympics in Sydney.
Joanna de Albuquerque Maranhão Bezerra de Melo, or Joanna Maranhão is a swimmer from Brazil, who competed at three consecutive Summer Olympics for her native country, starting in 2004. She was a finalist in the 400-metre individual medley at 2004 Athens, finishing in 5th place, the best position of all time obtained by the Brazil women's swimming, along with Piedade Coutinho. Joanna also broke countless Brazilian and South American records.
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.
Mary Elizabeth Mohler is an American former competition swimmer and former world record-holder in the Women's 200-meter butterfly.
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.
Melissa Franklin Johnson is an American former competitive swimmer and five-time Olympic medalist. She held the world record in the 200-meter backstroke from 2012 to 2019. As a member of the U.S. national swim team, she also held the world records in the 4×100-meter medley relay.
Louise Mai Jansen is a Danish former swimmer, who specialized in freestyle and individual medley events. She is an eighteen-time national champion and a Nordic record holder in the freestyle and medley. She is also an eighth-place finalist in the 200 m individual medley at the 2010 European Aquatics Championships in Budapest, Hungary with a time of 2:17.37, just eight seconds off the record set by Julie Hjorth-Hansen in 2009. Jansen is an economics graduate, majoring in mathematics at Copenhagen Business School in Copenhagen.
Elizabeth Warden is a Canadian former competitive swimmer who specialized in backstroke and individual medley events. She won a silver medal in the 400-metre individual medley at the 1998 Commonwealth Games in Kuala Lumpur, Malaysia, with a time of 4:47.69. Warden was also a member of the swimming team, and a graduate of the University of Toronto.
Shim Min-ji is a South Korean former swimmer, who specialized in freestyle and backstroke events. She is a two-time Olympian and a three-time relay medalist at the Asian Games (2002).
Gretchen Gotay Cordero is a Puerto Rican former swimmer, who specialized in freestyle and backstroke events. She won a total of four medals in both freestyle and medley relays at the Central American and Caribbean Games. She is a member of Athens Bulldogs Swim Club under her personal coach Harvey Humphries, and a graduate with a master's degree in sports management at the University of Georgia in Athens.
Hali Flickinger is a retired American swimmer who specializes in freestyle, butterfly, and individual medley events. She represents the Cali Condors of the International Swimming League.
Sydney Pickrem is a Canadian competitive swimmer. A two-time Olympian, she won a bronze medal at the 2020 Summer Olympics as part of the Canadian 4×100 metre medley relay team, and is a seven-time World Aquatics Championships medallist.
Taylor Madison Ruck is a Canadian competitive swimmer. She won two Olympic bronze medals as part of Canada's women's 4×100 metre and 4×200 metre freestyle relay teams at the 2016 Summer Olympics in Rio de Janeiro. Ruck won eight medals at the 2018 Commonwealth Games in Gold Coast, Australia. Her eight medal performance of one gold, five silver, and two bronze tied her with three other athletes for the most all-time at a single Commonwealth Games, as well as making her the most decorated Canadian female athlete ever at a single Commonwealth Games. Ruck is the all-time leading medallist at the FINA World Junior Swimming Championships having won nine gold, two silver, and two bronze over the course of the 2015 and 2017 editions.
Kylie Jacqueline Masse is a Canadian competitive swimmer. A noted backstroke specialist, she is a five-time Olympic medallist, three-time World Aquatics champion, three-time Commonwealth Games gold medallist, and the 2018 Pan Pacific champion in the 100 metre backstroke. She is currently the captain for the Toronto Titans of the International Swimming League.
Regan Smith is an American competitive swimmer. She won 3 medals at the 2020 Summer Olympics and 5 medals at the 2024 Summer Olympics. She is the current world record holder in the long course 100-meter backstroke, world junior record holder in the women's long course 100-meter backstroke and 200-meter backstroke, and the former world record holder in the 200-meter backstroke.
Kaylee Rochelle McKeown is an Australian swimmer and quintuple Olympic gold medalist. She is the world record holder in the long course 50 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 at both the 2020 and 2024 Olympics. 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.
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 is representing 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 on July 28-30 and August 1-3, 2024, in Nanterre, a western suburb of Paris.
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.
Ingrid Wilm is a Canadian swimmer, specializing in the backstroke.
Summer Ann McIntosh is a Canadian competitive swimmer. She is a three-time Olympic champion, four-time World Aquatics champion, and two-time Commonwealth Games gold medallist. Noted for her strength in medley and butterfly events, she is the current world record holder in the 400 metre individual medley, and also holds the Olympic and textile records in the 200 metre butterfly event, and the Olympic record in the 200 metre individual medley.
Canada 
