Martin Liivamägi is an Estonian swimmer, who specialized in breaststroke and individual medley events. He is a two-time Olympian, a 2010 Pac-10 champion in the 200 m individual medley, a double NCAA team titleholder, a 43-time Estonian swimming champion, and a 24-time national record holder in different age groups. He also won a silver medal in the same stroke at the 2006 European Junior Swimming Championships in Palma de Mallorca, Spain.
Giedrius Titenis is a Lithuanian swimmer, who specialized in breaststroke events. He is a four-time Olympian, a multiple-time Lithuanian record holder in the men's breaststroke, and a double swimming champion in the same discipline at the 2011 Summer Universiade in Shenzhen, China. Titenis is also a member of Anykščiai Swimming Club, and is coached and trained by Žilvinas Ovsiukas.
Conor James Dwyer is a former American competition swimmer and Olympic gold medalist. He competed in freestyle and medley events, and won a gold medal as a member of the winning U.S. 4×200-meter freestyle relay team at the 2012 Summer Olympics. In total, he has won seventeen medals in major international competitions: nine gold, six silver, and two bronze spanning the Summer Olympics, the FINA World Championships, the Pan Pacific Championships, and the Pan American Games. Dwyer placed second at the 2016 US Olympic Swimming Trials in the 400m freestyle.
Alejandro Gómez Perez is a Venezuelan swimmer. At the 2012 Summer Olympics in London, he participated in the men's 1500 metre freestyle, but was eliminated in the qualifying heats. His mother Maria competed in the 1976 Summer Olympics in the 200 and 400m freestyle events.
Leopoldo Andara is a Venezuelan swimmer. He participated at the 2008 Summer Olympics.
David Karl Brandl is an Austrian swimmer, who specialized in freestyle events. He is a multiple-time Austrian champion, a four-time national record holder, and a current member of Perger Swimming Club in Perg. He also won a bronze medal, as a member of the Austrian swimming team, at the 2008 European Championships in Eindhoven, Netherlands.
Jördis Steinegger is an Austrian swimmer, who specialized in freestyle and individual medley events. She is a two-time Olympian, a nine-time long and short course Austrian record holder, and a member of the Linz Amateur Swimming Club in Linz, under her personal coach Marco Wolf.
Raphaël Stacchiotti is a Luxembourgish swimmer, who specialized in the freestyle and individual medley events. He is a four-time Olympian, a multiple-time Luxembourgian record holder in all freestyle and medley events, and a double European junior champion. Stacchiotti also holds numerous meet records and collects a total of 49 medals from the Games of the Small States of Europe. At the 2008 Summer Olympics, Stacchiotti became the youngest athlete to be chosen by the Luxembourg squad, and was given the honor of carrying the nation's flag in the opening ceremony.
Danielle Villars is a Swiss swimmer who specialized in freestyle and butterfly events. She has won multiple Swiss titles and currently holds four national records in both freestyle and butterfly. Villars is a resident athlete for the Limmat Sharks, and is coached and trained by Dirk Reinicke.
Glenn Surgeloose is a Belgian swimmer, who specializes in sprint freestyle events. He collected a bronze medal in the 200 m freestyle at the 2007 European Junior Swimming Championships in Antwerp, Belgium. Surgeloose is a member of Brabo Antwerp, and is coached and trained by Ronald Gaastra.
Pavel Paulavich Sankovich is a Belarusian swimmer, who specialized in sprint backstroke and butterfly events. He represented his native Belarus in three editions of the Olympic Games, and has won a total of seven bronze medals in major international competition, in both the long and short course European Championships.
Park Seon-Kwan is a South Korean swimmer, who specialized in backstroke events. He won a bronze medal, as a member of the South Korean swimming team, in the 400 m freestyle relay at the 2010 Asian Games in Guangzhou, China. He also collected two silver medals in the 100 and 200 m backstroke at the 2009 East Asian Games in Hong Kong, China. Park is a member of the swimming team at Korea National Sports University in Seoul.
Giordan Kariara Harris is a former competitive swimmer, and current swim coach, from Ebeye Island, Kwajalein Atoll, of the Marshall Islands. Harris is a two-time Olympic swimmer, multiple national record holder, NJCAA All American, and NJCAA & NCAA school record holder. Harris participated in numerous international competitions representing his home country, including the inaugural 2010 Summer Youth Olympics in Singapore, FINA World Long Course Championships, FINA World Short Course Championships, and most notably the 2012 Summer Olympics in London, and the 2016 Summer Olympics in Rio.
Jasper Aerents is a Belgian swimmer, who specialized in sprint freestyle events.
Pieter Timmers is a Belgian retired competitive swimmer who specialized in sprint freestyle events. He won the silver medal in the 100 meter freestyle at the 2016 Olympics. Timmers currently holds nine Belgian records, and seven national titles in long and short course freestyle. Timmers is a resident athlete for Brabo Antwerp, and trains under his personal coach Ronald Gaastra. He stands 2.00 m, and weighs 89 kg (196 lb). He ended his career in Budapest in the second season of the International Swimming League in 2020.
Jan Micka is a Czech swimmer, who specialized in long-distance freestyle events. He is a two-time Czech record holder in the 800 and 1500 m freestyle. Micka is a member of the swimming team for USK Praha, and is coached and trained by Jaroslava Passerova.
Back Su-Yeon is a South Korean swimmer, who specialized in breaststroke events. She edged out her teammate Jung Seul-Ki to take a bronze medal by 0.31 of a second in the 200 m breaststroke at the 2010 Asian Games in Guangzhou, China, with a time of 1:10.22. Back is also a member of Kang-won-do Cheong swimming club in Seoul. Previously in 2006, Back had won bronze in the 100 m breaststroke at the 2006 Asian Games.
Chang Gyu-Cheol is a South Korean swimmer, who specialized in butterfly events. In 2010, Chang edged out South Africa's Chad le Clos by 0.18 of a second to claim a gold medal in the 100 m butterfly at the first ever Summer Youth Olympics in Singapore, posting his personal best of 53.13. He also won a silver medal, as a member of the South Korean swimming team, in the men's medley relay at the 2010 Asian Games in Guangzhou, China.
Daniele Tirabassi is a Venezuelan swimmer, who specialized in long-distance freestyle events. He represented his nation Venezuela at the 2008 Summer Olympics, and has also won a career total of five medals in a major international competition, spanning two editions of the South American Games and the 2010 Central American and Caribbean Games. Tirabassi also holds multiple Venezuelan championship titles and national records in both the long-distance freestyle, and freestyle relay events.
Liechtenstein competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's official debut in 1936, Liechtensteinian athletes have appeared in every edition of the Summer Olympic Games, except for two occasions. Liechtenstein did not register any athletes at the 1956 Summer Olympics in Melbourne, and eventually joined the United States-led boycott when Moscow hosted the 1980 Summer Olympics. The 2016 delegation included two swimmers, Christoph Meier and Julia Hassler, and tennis player Stephanie Vogt. Two of the athletes debuted in the 2012 Summer Olympics, with long-distance freestyle swimmer Julia Hassler leading the squad as the nation's flag bearer in the opening ceremony. Liechtenstein has yet to win a Summer Olympic medal.
Colombia 
