Yuliya Andreyevna Yefimova is a Russian competitive swimmer. She is the Russian record holder in the 200 metre individual medley, 50 metre breaststroke, 100 metre breaststroke, and 200 metre breaststroke. After making her Olympic debut in 2008, she went on to win the bronze medal in the 200 metre breaststroke in 2012, and silver medals in the 100 metre and 200 metre breaststroke in 2016. She is a six-time World Champion, winning the 50 metre breaststroke in 2009 and 2013, the 100 metre breaststroke in 2015, and the 200 metre breaststroke in 2013, 2017, and 2019. In 2019, she became the first woman to win the 200 metre breaststroke at a FINA World Aquatics Championships three times. She is a former world record holder in the long course 50 metre breaststroke. She has won 109 medals, including 48 gold medals, at Swimming World Cups.
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.
Jeong Da-rae is a South Korean former swimmer, who specialized in breaststroke events. She is a gold medalist in the 200 m breaststroke at the 2010 Asian Games in Guangzhou, China.
István Hunor Mate is an Austrian swimmer, who specialized in breaststroke events. He is also a twenty-two time Austrian national champion, five-time Austrian national record holder, and a current member of Wolfsberger SV in Vienna, Austria.
Carlos Fernandes Esteves de Almeida is a Portuguese swimmer, who specializes in breaststroke events. He is a two-time Olympian, an NCAA Champion, a 2011 Big East Conference champion, and a current Portuguese record holder in the 50, 100 and 200 m breaststroke in the long and short course. Almeida is a resident athlete for Amadora Swimming Club in Lisbon, and is coached and trained by Filipe Coelho.
Laurent Carnol is a Luxembourgish swimmer, who specialized in breaststroke events. Carnol set national records of 1:01.39 and 2:09.78 in the men's breaststroke at the 2010 European Aquatics Championships in Budapest, Hungary, and at the 2012 European Long Course Meet in Luxembourg City, respectively. Carnol is also a member of SC Le Dauphin Ettelbruck under his personal coach Ian Armiger, and currently, a chemistry student at Loughborough University in Leicestershire, England.
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.
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.
Yuta Suenaga is a Japanese swimmer, who specialized in breaststroke events. He attained a top eight finish in the 100 m breaststroke at the 2007 Summer Universiade in Bangkok, Thailand, and had been selected to represent Japan at the 2008 Summer Olympics. Suenaga is an economics graduate at Hosei University in Tokyo.
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.
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.
Jessica Evelyn Pengelly is a South African-born Australian swimmer, who specializes in freestyle and individual medley events. A 2008 Olympian, she has claimed multiple South African championship titles and national records in the individual medley, and won a total of five medals at the 2007 All-Africa Games in Algiers, Algeria. Pengelly also set two South African records in the freestyle relays at the 2008 FINA World Short Course Championships in Manchester, England, and at the 2011 Summer Universiade in Shenzhen, China.
Neil Robert Versfeld is a South African swimmer, who specialized in breaststroke events. He finished ninth with a superb South African record in the men's 200 m breaststroke at the 2008 Summer Olympics, and has claimed multiple South African championship titles in the 50, 100, and 200 m breaststroke.
Aleksey Anatolyevich Zinovyev is a Russian swimmer, who specialized in breaststroke events. He set a meet record (2:14.78) to claim the gold medal in the 200 m breaststroke at the 2008 FINA Youth World Swimming Championships in Monterrey, Mexico, and was eventually selected to the Russian swimming team at the Summer Olympics in Beijing on that same year.
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.
Jung Seul-ki is a South Korean swimmer, who specialized in breaststroke events. She finished eleventh in the women's 200 m breaststroke at the 2008 Summer Olympics, and has won a career total of four medals in a major international competition, spanning the 2006 Pan Pacific Championships, the 2006 Asian Games, and the 2007 Summer Universiade. Jung also served as a varsity member of the swimming team at Yonsei University.
Nicolas Fink is an American competitive swimmer. He is a five-time world champion in breaststroke events and a 2024 Olympic Silver Medalist in the 100 meter breaststroke. He is a world record holder in the short course 4×100 meter medley relay and 4×50 meter mixed medley relay. He is the Americas record holder in the short course 50 meter breaststroke, 100 meter breaststroke, and 200 meter breaststroke as well as the American record holder in the long course 50 meter breaststroke. In the 50 meter breaststroke, he won the World Short Course titles in 2021 and 2022 and World Long Course title in 2022. In the 100 meter breaststroke, he is the 2022 World Short Course gold medalist. In the 200 meter breaststroke, he is the 2021 World Short Course gold medalist.
Anton Mikhailovich Chupkov is a Russian competitive swimmer. He is the European record holder in the long course 200 metre breaststroke and the Russian record holder in the long course 100 metre breaststroke. He formerly held the world record in the long course 200 metre breaststroke. At the 2015 European Games he won four gold medals in individual and relay events. He won the bronze medal in the 200 metre breaststroke at the 2016 Summer Olympics. He won the gold medal in the 200 metre breaststroke at the 2017 and 2019 World Aquatics Championships.
South Africa 
