Gustavo França Borges is a Brazilian former competitive swimmer. He swam for Brazil in four Summer Olympic Games: 1992, 1996, 2000 and 2004. Borges has won the fourth-most Olympic medals of any Brazilian, with four —one in 1992, two in 1996 and one in 2000—only behind sailors Robert Scheidt and Torben Grael and canoeist Isaquias Queiroz with five, and gymnast Rebeca Andrade with six. He also has eight Pan American Games gold medals, the third-most of any Brazilian and only behind swimmer Thiago Pereira and table tennis player Hugo Hoyama. Borges was Brazil's flagbearer for the Closing Ceremony at the 2004 Summer Olympics.
Thiago Machado Vilela Pereira is a retired Brazilian international competition swimmer. One of the greatest swimmers in the history of Brazil, Pereira won the silver medal in the 400-meter individual medley at the 2012 Summer Olympics in London, beating the then-current Olympic champion Michael Phelps. He also broke a world record in the short course 200-meter individual medley, and broke several South American and Brazilian records. During his career, he competed with swimming legends Michael Phelps and Ryan Lochte.
Erica Rachelle Morningstar is a Canadian swimmer who has competed in international events including the 2008 Summer Olympics, and 2012 Summer Olympics.
Kenneth King-him To was a Hong Kong Australian swimmer who practised individual medley, freestyle, butterfly and breaststroke. He won 6 medals at the 2010 Summer Youth Olympics, was the male overall winner of the 2012 FINA Swimming World Cup and was a World Championships silver medallist. He was the holder of 16 Hong Kong national swimming records.
Chad Guy Bertrand le Clos, OIS is a South African competitive swimmer who is an Olympic, World and Commonwealth Games champion. He is the African record, Commonwealth record, and South African record holder in the short course and long course 200-metre butterfly and the short course 100-metre butterfly. He also holds African and South African records in the long course 200-metre freestyle and 100-metre butterfly, as well as the short course 100-metre freestyle. Formerly, he was a world record holder in the short course 100-metre butterfly and 200-metre butterfly.
Wang Shun is a Chinese competitive swimmer. A versatile medley swimmer, he became the first Asian male swimmer to win a gold medal at the men's 200m individual medley at the Olympic Games when he came in first at the 2020 Summer Olympics men's 200 metre individual medley. He is also the first swimmer from China to win a gold medal in an Olympic men's medley swimming event. He had earlier won a bronze medal in the same event at the 2016 Summer Olympics.
Leonardo Gomes de Deus is a Brazilian swimmer. In the 200 metre butterfly, he was 6th place at the 2020 Tokyo Games; twice a finalist in World Championships; twice Pan-Pacific runner-up, and three-time Pan American Games champion. He is currently an athlete at Unisanta, sponsored by Mormaii, LD Sports, and CDE. He is also one of the representatives of the Aqua Centurions team in the International Swimming League.
Marcelo Chierighini is a Brazilian competitive swimmer. In the 100 metre freestyle, he was an Olympic finalist at the Rio 2016 Games, and four times in a row a finalist at the World Championships in 2013, 2015, 2017 and 2019. In the 4 x 100 metre freestyle relay, he holds a silver medal at the 2017 World Championships.
Manuella Duarte Lyrio is a Brazilian competitive swimmer.
João Bevilaqua de Lucca is a Brazilian swimmer.
Matheus Paulo de Santana is a Brazilian swimmer. He will represent DC Trident at the International Swimming League during the 2020 season.
James George Guy is an English competitive swimmer who specialises in freestyle and butterfly. Guy has won multiple gold medals at each of the major international meets available to him, including for Great Britain at the Olympic Games (3), the World (5) and European Championships (7), and for England in the Commonwealth Games (2). In addition to further medals in those events, he has also reached the podium at both the World and European short-course championships. With 46 major medals at international championship meets, 20 at global level, he is one of the most decorated swimmers in British history.
Duncan William MacNaughton Scott is a Scottish swimmer representing Great Britain at the FINA World Aquatics Championships, LEN European Aquatics Championships, European Games and the Olympic Games, and Scotland at the Commonwealth Games. Scott made history after winning four medals - more than any other British athlete at a single Olympic Games - in Tokyo 2020, simultaneously becoming Great Britain's most decorated swimmer in Olympic history. With an additional gold and silver medal in Paris 2024 bringing his total to eight, Scott became Scotland's most-decorated Olympian, and is currently tied with Bradley Wiggins as the second most-decorated Olympian in British history. Scott is the only athlete in the top three to still be actively competing, and the only member of the top four who is not a track cyclist.
Santo Yukio Condorelli is an Italian competitive swimmer who previously competed for Canada. He competed at the 2020 Summer Olympics, in Men's 4 × 100 metre freestyle relay, winning a silver medal.
Brandonn Pierry Cruz de Almeida is a Brazilian swimmer.
Luiz Altamir Lopes Melo is a Brazilian swimmer.
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.
Corey Charles Garth Main is a New Zealand swimmer who qualified to compete at the 2016 Summer Olympics to be held in Rio de Janeiro, Brazil, in the men's 100 metre backstroke.
Tomoru Honda is a Japanese competitive swimmer. He is the world record holder in the short course 200 metre butterfly. He won a silver medal at the 2020 Summer Olympics in the men's 200 metre butterfly event.
Argentina 
