Federica Pellegrini is an Italian retired swimmer. A native of Mirano, in the province of Venice, she holds the women's 200 meters freestyle world record, and won a gold medal at the 2008 Beijing Olympics. At the 2009 World Championships in Rome, Pellegrini became the first woman ever to break the 4-minute barrier in the 400 m freestyle with a time of 3:59.15.
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.
Rwanda competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation at London marked its eighth appearance in the Summer Olympics since its début at the 1984 Summer Olympics. The delegation included seven competitors which included three track and field athletes; Robert Kajuga, Jean Pierre Mvuyekure and Claudette Mukasakindi. The other people that represented the country were cross-country cyclist Adrien Niyonshuti, judoka Fred Yannick Uwase, swimmers Jackson Niyomugabo and Alphonsine Agahozo. The track and field athletes qualified for the Games by meeting qualification standards while the remaining four made the Olympics through wildcard places. Niyonshuti was the flag bearer for both the opening and closing ceremonies. No athletes were able to achieve medals at the London Olympic Games.
Bronte Campbell is a Malawian-born Australian competitive swimmer, a dual Olympic gold-medal winner and world champion. Her older sister, Cate, is also a competitive swimmer, and once held world records in both the short and long course 100 metre individual freestyle events. Bronte and Cate are the first Australian siblings on the same Olympic swimming team since the 1972 Olympics and the first Australian sisters ever to compete within the same swimming event at the Olympics. Bronte Campbell won three gold medals at the 2015 World Championships, including the 50 and 100 metre freestyle events.
Pernille Blume is a former Danish swimmer specializing in sprint freestyle events. She competed at the 2012 Summer Olympics. At the 2016 Summer Olympics she was the gold medalist in the women's 50 metre freestyle and won a bronze medal in the women's 4 × 100 metre medley relay where she swam the freestyle leg of the relay in both the prelims and the final. She also competed at the 2020 Summer Olympics, winning a bronze medal in the 50 metre freestyle.
Judith Meauri is a Papua New Guinean swimmer. She competed in the women's 50m freestyle at the 2012 Summer Olympics in London, finishing with a time of 27.84 seconds in 47th place in the heats. She competed at the 2020 Summer Olympics, in Women's 50 m freestyle.
Simone Ashley Manuel is an American professional swimmer specializing in freestyle events. At the 2016 Rio Olympics, she won two gold and two silver medals: gold in the 100-meter freestyle and the 4x100-meter medley, and silver in the 50-meter freestyle and the 4×100-meter freestyle relay. In winning the 100-meter freestyle, a tie with Penny Oleksiak of Canada, Manuel became the first Black American woman to win an individual Olympic gold in swimming and set an Olympic record and an American record. At the 2020 Tokyo Olympics, she won a bronze medal as the anchor of the American 4×100-meter freestyle relay team.
Emma Jennifer McKeon, is an Australian competitive swimmer. She is a seven-time world record holder, three current and four 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 17 medals, including four gold medals, at the World Aquatics Championships; and a record 20 medals, including 14 gold, at the Commonwealth Games.
Anastasiya Tyurina is a Tajikistani swimmer. She competed in the women's 50 metre freestyle event at the 2016 Summer Olympics, finishing 73rd with a time of 31.15 seconds and failing to advance out of the heats.
Chloé Marie Helene Sauvourel is a French-born Central African swimmer. She competed at the 2016 Summer Olympics in the women's 50 metre freestyle event; her time of 37.15 seconds in the heats did not qualify her for the semifinals. She was the flagbearer for her country at the Parade of Nations.
Roukaya Moussa Mahamane is a Nigerien swimmer. She competed in the women's 50 metre freestyle event at the 2016 Summer Olympics, where she ranked 83rd with a time of 36.50 seconds, a national record. She did not advance to the semifinals.
Samantha Roberts is an Antiguan swimmer. She competed in the women's 50 metre freestyle event at the 2016 Summer Olympics, where she ranked 57th with a time of 27.95 seconds. She did not advance to the semifinals. She was the youngest member of Antigua and Barbuda's 2016 Olympic team.
Catarina Sousa is an Angolan swimmer. She competed in the women's 50 metre backstroke event at the 2017 World Aquatics Championships. In 2019, she represented Angola at the 2019 African Games held in Rabat, Morocco.
Emily Muteti is a Kenyan swimmer. She competed in the women's 100 metre butterfly event at the 2017 World Aquatics Championships. In 2019, she represented Kenya at the 2019 African Games held in Rabat, Morocco and she won the bronze medal in the women's 4 × 100 metre medley relay.
Jeanne Boutbien is a French-Senegalese swimmer. She competed in the women's 100 metre freestyle event at the 2017 World Aquatics Championships.
Anicka Delgado is an Ecuadorian swimmer. She competed in the women's 50 metre butterfly and women's 100 metre freestyle events at the 2019 World Aquatics Championships held in Gwangju, South Korea. In both events she did not advance to compete in the semi-finals.
Cherelle Thompson is a Trinidad and Tobago swimmer.
Nafissath Radji is a Beninese swimmer.
The Maldives competed at the 2020 Summer Olympics in Tokyo which were held from 23 July to 8 August 2021. Originally scheduled to take place from 24 July to 9 August 2020, the event was postponed due to the COVID-19 pandemic. This was the nation's ninth appearance at the Summer Olympics since its debut in 1988. The delegation consisted of four athletes, two men and two women, competing in four events across three sports. Two athletes participated in the swimming tournament: Mubal Azzam Ibrahim and Aishath Sajina. Athlete Hassan Saaid, a returning competitor from the 2016 Rio Olympics competed in the men's 100 m. Fathimath Nabaaha Abdul Razzaq was the first badminton player the Maldives entered into the Olympic tournament since the 2012 London Olympics. For the first time, in an effort to promote gender equality, two flagbearers, one male and one female were allowed at the Olympics. Nabaaha and Mubal lead the Maldivian squad as the flagbearers in the opening ceremony. The Maldives, however, has yet to win its first ever Olympic medal.
Taeyanna Adams is a Micronesian swimmer, who is the national record holder in multiple events. She competed in the 100 metre breaststroke event at the delayed 2020 Summer Olympics.
Rwanda 
