Gustavo França Borges is a Brazilian former competitive swimmer. He swam for Brazil in the Summer Olympic Games in: 1992, 1996, 2000 and 2004. Borges has won the second-most Olympic medals of any Brazilian, with four—one in 1992, two in 1996 and one in 2000—behind sailors Robert Scheidt and Torben Grael. He also has the third-most Pan American Games gold medals of any Brazilian, with eight—behind swimmer Thiago Pereira and table tennis player Hugo Hoyama. Borges was Brazil's flagbearer for the Closing Ceremony at the 2004 Summer Olympics.
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 the African records and South African records in the long course 200-metre freestyle and 100-metre butterfly, and the short course 100-metre freestyle. Formerly, he was a world record holder in the short course 100-metre butterfly and 200-metre butterfly.
Kosuke Hagino is a Japanese former competitive swimmer who specialized in the individual medley and 200 m freestyle. He is a four-time Olympic medalist, most notably winning gold in the 400 m individual medley at the 2016 Summer Olympics.
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.
Alexander "Alec" Robert Elliot is a Canadian competitive Paralympic swimmer.
Matheus Paulo de Santana is a Brazilian swimmer. He will represent DC Trident at the International Swimming League during the 2020 season.
Calum George Jarvis is a Welsh competitive swimmer who has represented Great Britain in World Championships and the Olympics, and Wales in the Commonwealth Games. Jarvis competes primarily in freestyle and backstroke events. In 2014, he competed at the Commonwealth Games in Glasgow as part of the Welsh team, winning the bronze medal in the 200m freestyle.
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 (2), the World (5) and European Championships (7), and 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 45 major medals at international championship meets, 19 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.
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.
Luiz Altamir Lopes Melo is a Brazilian swimmer.
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.
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 
