Maria Emma Hulga Lenk was a Brazilian swimmer, the first South American woman to participate in the Summer Olympic Games, in 1932.
Felipe Alves França da Silva is a Brazilian breaststroke swimmer, who competed for his country in three Olympic Games.
Birgit Koschischek is an Austrian swimmer, who specialized in sprint freestyle and butterfly events. She is a two-time Olympian, a four-time Austrian long and short course record holder, and a member of Schwechat Swimming Club in Schwechat, under her personal coach Adam Thoroczkay.
Anna Stylianou is a Cypriot swimmer, who specialized in freestyle events. Stylianou made her official debut, as a 14-year-old, at the 2000 Summer Olympics in Sydney, where she placed forty-fourth overall in the women's 100 m freestyle, with a time of 59.08 seconds.
Inna Vitalievna Kapishina is a Belarusian former swimmer, who specialized in breaststroke events. She is a multiple-time Belarusian champion and three-time national record holder in her respective discipline.
Raminta Dvariškytė is a Lithuanian swimmer who specialized in breaststroke events. She represented her nation Lithuania at the 2008 Summer Olympics, and has claimed multiple Lithuanian championship titles and two national records in both the breaststroke and medley relay events.
Valeria Silva Merea is a Peruvian swimmer/surgeon, who specialized in breaststroke events. She is a three-time national record holder for the breaststroke events, a two-time Olympic swimmer, and a multiple-time gold medalist at the 2008 South American Swimming Championships in São Paulo, Brazil.
Sonja Schöber is a German swimmer, who specialized in breaststroke and individual medley events. Schober won a bronze medal, as a member of the German swimming team, at the 2007 Summer Universiade in Bangkok, Thailand with a final time of 3:42.68. Schober is a member of the Dortmund Sport Community Club in Dortmund, and is coached and trained by Volker Höltke. In 2009 Schöber received a two-year suspension, after she tested positive for doping, and for irregular levels of testosterone.
Angeliki Exarchou is a Greek former swimmer, who specialized in breaststroke events. She represented her nation Greece at the 2008 Summer Olympics, and had also collected a total of four medals in an international competition, spanning two editions of the Mediterranean Games. Exarchou also dipped under a 1:10 barrier to set a Greek record of 1:08.99 in the 100 m breaststroke at the 2009 Mediterranean Games in Pescara, Italy.
Megumi Taneda is a Japanese swimmer, who specialized in breaststroke events. She claimed the 200 m breaststroke title in a close race against U.S. swimmer and eventual Olympic champion Rebecca Soni by 0.03 of a second at the 2005 Summer Universiade in Izmir, Turkey with a time of 2:27.81. Taneda is an economics graduate at Kanagawa University in Kanagawa.
Tatiane Mayumi Sakemi is a Brazilian swimmer of Japanese ancestry, who specialized in breaststroke events. She is a member of the swimming team for Esporte Clube Pinheiros in São Paulo.
Phillip Cameron Morrison is a Brazilian swimmer of American descent, who specialized in freestyle events. He represented his nation Brazil as a member of the freestyle relay team at the 2008 Summer Olympics, and also served as a member of the Stanford Cardinal swimming squad at Stanford University in Stanford, California, where he graduated with a degree in earth systems, major in human biology.
Erla Dögg Haraldsdóttir is an Icelandic swimmer, who specialized in breaststroke and individual medley events. She represented her nation Iceland at the 2008 Summer Olympics, and has claimed a total of twenty-four Icelandic championship titles and eleven national records in both the 50 and 100 m breaststroke.
Sergio Andrés Ferreyra is an Argentine former swimmer, who specialized in breaststroke events. He is a multiple-time Argentine record holder, and a two-time medalist in the breaststroke at the 2006 South American Games in Buenos Aires. He is also a member of Club Regatas Corrientes, and is coached and trained by Sergio Oscar Sainz.
Yekaterina Sadovnik is a Kazakhstani swimmer, who specialized in breaststroke events. She represented her nation Kazakhstan at the 2008 Summer Olympics, and has claimed multiple national championship titles in the sprint breaststroke double.
Anna Salnikova is a Georgian swimmer, who specialized in breaststroke events. She represented her nation Georgia at the 2008 Summer Olympics, and held a Georgian national record in both the 50 and 100 m breaststroke until they were later broken by Teona Bostashvili in two separate editions of the World Championships.
Réka Pecz is a Hungarian swimmer, who specialized in breaststroke events. Pecz represented her nation Hungary at the 2008 Summer Olympics, and also trained as a member of the swimming team at Jövő Sports Club in Miskolc, under the tutelage of personal coach Balázs Fehérvári.
Diana Duarte Gomes is a Portuguese swimmer, who specialized in breaststroke events. She is a two-time Olympian and a multiple-time Portuguese record holder for the long and short course breaststroke events. She also won three medals in the same category at the 2005 European Junior Swimming Championships in Budapest, Hungary.
Julia Sebastián is an Argentine breaststroke swimmer. She represented Argentina at the 2020 Summer Olympics in the women's 100 metre breaststroke event and the women's 200 metre breaststroke event.
Jhennifer Alves da Conceição is a Brazilian swimmer. Finalist at the 2022 World Championships in the 50m breaststroke.
Argentina 
