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.
Alia Shanee Atkinson, СD is a Jamaican five-time Olympian and a former competitive swimmer whose international competition career spanned 19 years, 2003 to 2021 inclusive, at the senior level. At short course World Swimming Championships, she is a ten-time medalist in individual events, including four gold medals, four silver medals, and two bronze medals. She won a total of 124 medals, of which 74 were gold medals, at Swimming World Cup circuits over the course of her career. She won 14 total medals in individual events, 11 gold, 1 silver, and 2 bronze, from her first three Central American and Caribbean Games, in 2006, 2010, and 2018.
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.
Tonga participated in the 2012 Summer Olympics in London, United Kingdom, which were held from 27 July to 12 August 2012. The country's participation in London marked its eighth appearance in the Summer Olympics since its debut at the 1984 Summer Olympics. The delegation included three competitors: two in athletics, Joseph Andy Lui and ʻAna Poʻuhila, along with one short distance swimmer Amini Fonua. The latter entry was Tonga's first appearance in Olympic swimming competition. Lui and Fonua qualified through wildcard places while Po'uhila made the games by meeting qualification standards. Fonua was selected as the flag bearer for the opening ceremony while Lui held it at the closing ceremony. Lui and Fonua failed to progress farther than the preliminary round of their respective events while Po'uhila finished 29th in the heat stage of the women's shot put contest.
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.
Tatiana Chişca is a Moldovan swimmer, who specialized in breaststroke events. Chisca qualified for the women's 100 m breaststroke at the 2012 Summer Olympics in London by breaking a Moldovan record and eclipsing a FINA B-standard entry time of 1:10.68 from the Ukrainian Championships in Dnipropetrovsk. She challenged seven other swimmers on the second heat, including two-time Olympian Danielle Beaubrun of St. Lucia. Chisca rounded out the field to last place by more than two seconds behind Chinese Taipei's Chen I-Chuan in 1:13.30. Chisca failed to advance into the semifinals, as she placed fortieth overall in the preliminaries.
Anna Sztankovics is a Hungarian swimmer, who specializes in the breaststroke events. She is the current holder of the Hungarian record in the 50m breaststroke event both in long course and in short course.
Kim Ga-Eul is a South Korean swimmer, who specialized in long-distance freestyle events. She is a finalist in the 800 m freestyle at the 2010 Asian Games in Guangzhou.
Ham Chan-mi is a South Korean swimmer, who specialized in backstroke events. Ham is a two-time finalist in both 100 and 200 m backstroke at the 2010 Asian Games in Guangzhou, China.
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.
Choi Hye-Ra is a South Korean swimmer, who specialized in butterfly and individual medley events. She collected four medals in the 200 m butterfly, 200 m individual medley, and the 800 m freestyle relay at the 2006 Asian Games in Doha, Qatar, and at the 2010 Asian Games in Guangzhou, China. She also won a silver medal in the same medley distance at the 2011 Summer Universiade in Shenzhen, China, with a time of 2:14.17. She is a resident athlete of Osan Sports Club in Seoul.
Natali Pronina, also known as Nataliya Aleksandrovna Filina is an Azerbaijani Olympic and Paralympic swimmer. She swam for Azerbaijan at the 2004 Summer Olympics, and also in three editions of the World Championships. She also won one gold and four silver medals in the 2012 Summer Paralympics in London, United Kingdom, making her Azerbaijan's most successful athlete for those games. She also represented Azerbaijan at the 2004 Olympic Games in Athens.
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.
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.
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.
Lee Ji-young is a South Korean swimmer, who specialized in breaststroke events. She became the first female South Korean in history to train in the United States, and swim for the Peddie Aquatic Association in Hightstown, New Jersey.
Annabelle Jane Carey was a New Zealand swimmer, who specialized in breaststroke events. As of 2006, she currently holds a New Zealand record of 1:09.26 in the 100 m breaststroke from the World Championship Trials in Auckland. In the same year she helped out the New Zealand team to pull off a fourth-place effort in the medley relay at the Commonwealth Games in Melbourne, Australia, with a record-breaking time of 4:06.30.
Nayana Shakya is a Nepalese former swimmer, who specialized in breaststroke events. Shakya qualified for the women's 100 m breaststroke at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA, in an entry time of 1:34.99. She challenged seven other swimmers in heat one, including Bolivia's Katerine Moreno, who competed at her third Olympics since 1988. She posted a lifetime best of 1:32.92 to edge out Rwanda's Pamela Girimbabazi for a seventh seed by nearly 18 seconds. Shakya failed to advance into the semifinals, as she placed forty-seventh overall in the preliminaries.
Melissa Ashby is a Grenadian former swimmer, who specialized in breaststroke events. Ashby qualified for the women's 100 m breaststroke at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA, in an entry time of 1:20.53. She challenged seven other swimmers in heat one, including Bolivia's Katerine Moreno, who competed at her third Olympics since 1988. She raced to fifth place in 1:22.67, just 2.14 seconds off her entry time. Ashby failed to advance into the semifinals, as she placed forty-fifth overall in the prelims.
Byun Hye-young is a South Korean former swimmer, who specialized in breaststroke events. She represented South Korea in two editions of the Olympic Games, and eventually became a top 20 finalist at the 2003 Summer Universiade in Daegu.
South Korea 
