Kosuke Kitajima is a Japanese retired breaststroke swimmer. He won gold medals at the men's 100 m and 200 m breaststroke events at the 2004 Summer Olympics, and the 2008 Summer Olympics – becoming the first and only swimmer to sweep the breaststroke events at consecutive Olympic games.
Oscar Leonard Carl Pistorius is a South African former professional sprinter and convicted murderer. Both of his feet were amputated when he was 11 months old as a result of a congenital defect; he was born missing the outside of both feet and both fibulae. Pistorius ran in both nondisabled sprint events and in sprint events for below-knee amputees. He was the 10th athlete to compete at both the Paralympic Games and Olympic Games.
QI Hui is an Olympic and former world record holding breaststroke swimmer from China.
Annamay Pierse is a former competitive swimmer who represented Canada in major international swimming championships including the Summer Olympics, FINA World Championships, Commonwealth Games and Pan Pacific Championships.
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.
Theresa Goh Rui SiBBM is a Singaporean swimmer and Paralympic medalist, with a bronze at the SB4 100m breaststroke at the 2016 Summer Paralympics. She holds the world records for the SB4 50 metres and 200 metres breaststroke events.
Cameron van der Burgh OIS is a retired South African competitive swimmer and hedge fund analyst. He is Africa's first home-trained world record holder and individual male Olympic champion. He is married to longtime partner Nefeli Valakelis.
The women's 200 metre breaststroke event at the 2012 Summer Olympics took place on 1–2 August 2012 at the London Aquatics Centre in London, United Kingdom.
Teigan Van Roosmalen is an Australian Paralympic S13 swimmer. She has Usher Syndrome type 1 legally blind and Profoundly deaf. She had a swimming scholarship from the Australian Institute of Sport 2009-2012. Her events are the 100 m breaststroke, 200 m individual medley, 50 m and 100 m freestyle. She competed at the 2011 Para Pan Pacific Championships in Edmonton, where she won a gold medal in the S13 400 freestyle event. She competed at the 2008 Summer and 2012 Summer Paralympics.
Karin Prinsloo is a South African swimmer. She was a member of the 2012 South Africa Olympic team, and competed in two individual events at the 2012 Summer Olympics in London.
Rie Kaneto is a Japanese competitive swimmer who specializes in breaststroke events. She won the gold medal in the 200 meter breaststroke at the 2016 Summer Olympics.
Agustina De Giovanni is an Argentine former swimmer, who specialized in breaststroke events. She is a twelve-time Argentine champion and two-time record holder in the breaststroke : records in her possession for 15 years. She also holds a South American record of 2:26.17 in the 200 m breaststroke at the 2010 Jose Finkel Trophy Meet in Rio de Janeiro, Brazil. De Giovanni won the World Cup in Belo Horizonte 2005 in the 200 m breaststroke and bronze in the 100m breaststroke.
William Grant Diering is a South African swimmer, who specialized in breaststroke events. He finished twelfth in the 200 m breaststroke at the 2008 Summer Olympics, and also set a new South African record (2:06.85) to earn a bronze medal at the FINA World Short Course Championships few months later in Manchester, England.
Melissa Jane Corfe is a South African swimmer, who specialised in freestyle and backstroke events. She is a multiple-time South African champion and record holder for her respective events. Corfe represented her nation South Africa at the 2008 Summer Olympics, and has won a total of five medals, including three golds in the women's freestyle, at the 2007 All-Africa Games in Algiers, Algeria. She also set two national records, as a member of the South African swimming team, in the freestyle and medley relays, at the 2008 FINA World Short Course Championships in Manchester, England.
The women's 200 metre breaststroke competition at the 2010 Pan Pacific Swimming Championships took place on August 21 at the William Woollett Jr. Aquatics Center. The last champion was Suzaan van Biljon of South Africa.
Pite van Biljon is a South African cricketer who plays for Free State. He made his international debut for the South Africa cricket team in February 2020. His sister, Suzaan, competed at the 2008 and 2012 Olympics in the breaststroke swimming events.
Radja Amira Kouza is an Algerian breaststroke swimmer and triathlete. She won silver at the 2007 All-Africa Games in 50m Breaststroke and bronze in the 4x100m Medley relay.
Kaylene Corbett is a South African swimmer. She competed in the women's 100 metre breaststroke event at the 2017 World Aquatics Championships. At the 2022 Commonwealth Games, she won the bronze medal in the 200 metre breaststroke.
Tatjana Smith is a South African professional swimmer specialising in breaststroke events. She is the former world record holder in the long course 200-metre breaststroke and is the African record holder in the long course and short course 100-metre breaststroke as well as the short course 200-metre breaststroke. She is a former African record holder in the long course 50-metre breaststroke and former South African record holder in the short course 50-metre breaststroke. She won the gold medal and set the world record in the 200-metre breaststroke and also won the silver medal in the 100-metre breaststroke at the 2020 Olympic Games.
Lara van Niekerk is a South African competitive swimmer. She is the current African, Commonwealth, and South African record holder in the long course 50-metre breaststroke and the African and South African record holder in the short course 50-metre breaststroke. She won gold medals in the 50-metre breaststroke at the 2018 African Swimming Championships and the 2022 Commonwealth Games as well as a silver medal at the 2022 World Short Course Championships and the bronze medal at the 2022 World Aquatics Championships in the same event. In the 100-metre breaststroke, she won gold medals at the 2018 African Swimming Championships and the 2022 Commonwealth Games.
South Africa 
