Ryan John Pini MBE is a 4-time Olympic swimmer from Papua New Guinea. He swam for PNG at the 2004, 2008, 2012, and 2016 Olympics; also serving as the PNG flagbearer in 2008 and 2016. He is the first PNG swimmer ever to reach an Olympic final.
Michael Fred Phelps II is an American former competitive swimmer. He is the most successful and most decorated Olympian of all time with a total of 28 medals. Phelps also holds the all-time records for Olympic gold medals (23), Olympic gold medals in individual events (13), and Olympic medals in individual events (16). At the 2004 Summer Olympics in Athens, Phelps tied the record of eight medals of any color at a single Games, held by gymnast Alexander Dityatin, by winning six gold and two bronze medals. Four years later, when he won eight gold medals at the 2008 Beijing Games, he broke fellow American swimmer Mark Spitz's 1972 record of seven first-place finishes at any single Olympic Games. At the 2012 Summer Olympics in London, Phelps won four gold and two silver medals, and at the 2016 Summer Olympics in Rio de Janeiro, he won five gold medals and one silver. This made him the most successful athlete of the Games for the fourth Olympics in a row.
Joseph Isaac Schooling is a Singaporean professional swimmer who specialises in butterfly, freestyle and medley events. He was the gold medalist in the 100m butterfly at the 2016 Olympics, achieving Singapore's first ever Olympic gold medal. His winning time of 50.39s broke multiple records at the National, Southeast Asian, Asian and Olympic levels.
Alexandra Wenk is a German swimmer who competes in the Women's 100 metre butterfly. At the 2012 Summer Olympics, she finished 21st overall in the heats in the Women's 100 metre butterfly and failed to reach the final. At the 2016 Summer Olympics in Rio de Janeiro, she finished in 21st place in the women's 100 m butterfly and did not qualify for the semifinals. She competed in the women's 200 m medley where she finished 11th in the semifinals and did not qualify for the final. She was also a member of the women's 4 × 100 m medley relay team which finished 12th in the heats and did not qualify for the final.
Talita Baqlah is a Jordanian swimmer who has competed in three consecutive Olympic games, in the 2012, 2016 and 2020 Summer Olympics.
Stefanos Dimitriadis is a Greek swimmer. At the 2012 Summer Olympics, he competed in the Men's 100 metre butterfly and 200 m butterfly, finishing in 40th and 23rd places overall respectively in the heats, failing to qualify for the semifinals.
Sebastien Daniel Rousseau is a competition swimmer who has represented South Africa in three Summer Olympics and other international swimming championships. He is married to Holly.
Albert Christiadi Sutanto is an Indonesian former swimmer, who specialized in butterfly and medley events. He is a two-time Olympian, and multi medalist 9 Gold 5 Silver and 16 Bronze at the Southeast Asian Games.
Felix Christiadi Sutanto is a retired Indonesian swimmer, who specialized in individual medley events. He represented Indonesia, along with his twin brother Albert, at the 2000 Summer Olympics, and later received a total of sixteen All-American titles at the NAIA Men's Swimming and Diving Championships, while studying in the United States. Because of his tremendous career in college swimming, Sutanto was named the 2002 and 2003 Most Outstanding Male Swimmer of the Year by the National Association of Intercollegiate Athletics (NAIA).
The women's 100 metre butterfly event at the 2016 Summer Olympics took place on 6–7 August at the Olympic Aquatics Stadium.
Tanzania competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Seven athletes, five men and two women, competed in five events across three sports, but did not win any medals. Hilal Hemed Hilal, however, set a new national record in the men's 50 m freestyle event. Four athletes took part in track and field athletics, all in marathons, while two participated in the swimming tournament's 50 m freestyle category. The flagbearer for the opening ceremony was Andrew Thomas Mlugu, who was Tanzania's first Olympic judoka. His counterpart in the closing ceremony was Alphonce Felix Simbu, who had earned the nation's best finish at the Games by placing fifth in the men's marathon. Prior to these Games, Tanzania had sent athletes to twelve editions of the Summer Olympics.
Abbas Qali is a Kuwaiti swimmer. He competed in the 100 m butterfly event at the Swimming at the 2015 World Aquatics Championships and was eliminated during the heats. He is a member of the University of Alabama swimming and diving team. He competed and scored in the 2015 SEC Championships in Auburn, Alabama. He holds the Kuwaiti record in the 50m Butterfly with a time of 25.06.
The Refugee Olympic Team competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016, as independent Olympic participants.
Helena Gasson is a New Zealand Olympic swimmer representing her country at the 2016 Rio Olympic Games. She has also competed internationally at the 2015 World University Games, the 2017 World Swimming Championships and the 2018 Commonwealth Games. Helena is currently part of the Coast Swim Club Elite Team and the LA Current in the ISL.
Abeiku Gyekye Jackson is a Ghanaian swimmer specialising in the 50 metre freestyle. He competed in the 100m freestyle, 50m butterfly, and 100m butterfly at the 2014 Commonwealth Games. He holds Ghanaian national records in 13 disciplines, including freestyle, butterfly, breaststroke and backstroke events over distances from 50 to 400 metres. His older brother Kwesi Abbiw Jackson and younger brother Kow Asafua Jackson are also swimmers.
Marie Wattel is a French swimmer. She competed in the women's 100 metre butterfly event at the 2016 Summer Olympics. She qualified to represent France at the 2020 Summer Olympics. At the 2022 World Aquatics Championships, she won the silver medal in the 100 metre butterfly with a time of 56.14 seconds.
Yessy Venisia Yosaputra is an Indonesian swimmer. She specializes in backstroke. She competed in numerous international events representing Indonesia and received gold in the 2011 SEA Games. She represented her country at the 2016 Summer Olympics.
Shawn Erbelau Dingilius-Wallace is a Palauan Olympic swimmer. He competed at the 2016 Summer Olympics in the Men's 50 metre freestyle event where he ranked at #72 with a time of 26.78 seconds, a national record at the time. He did not advance to the semifinals. He competed at the 2020 Summer Olympics, in Men's 50 m freestyle.
Long Yuan Miguel Gutiérrez Feng is a Mexican-American swimmer. He competed for Mexico in the men's 100 metre butterfly event at the 2016 Summer Olympics; his time of 53.34 seconds in the heats did not qualify him for the semifinals.
Oumar Toure is a Malian swimmer. He competed at the 2016 Summer Olympics in the men's 100 metre butterfly event; his time of 57.56 seconds in the heats did not qualify him for the semifinals.
Indonesia 
