Yuliya Andreyevna Yefimova is a Russian competitive swimmer. She is the Russian national 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. She is also a former world record holder in the 50 metre breaststroke.
Rebecca Soni is an American former competition swimmer and breaststroke specialist who is a six-time Olympic medalist. She is a former world record-holder in the 100-meter breaststroke and the 200-meter breaststroke, and is the first woman to swim the 200-meter breaststroke in under 2 minutes 20 seconds. As a member of the U.S. national team, she held the world record in the 4×100-meter medley relay from 2012 to 2017.
Alia Shanee Atkinson, OD is a retired Jamaican swimmer and five time Olympian. At the 2012 Summer Olympics, she became the second Jamaican swimmer to place in the top four at an Olympics Games, finishing fourth in the 100-metre breaststroke. In 2014, she became the second woman to swim a 1:02.36 in the short course 100-metre breaststroke tying the world record in the event. In 2016, Atkinson set a new world record in the short course 50-metre breaststroke. Two years later, in 2018, she set a new world record in the short course 50-metre breaststroke for the second time. She was the first Afro-Jamaican to win a world title in swimming.
Rūta Meilutytė is a retired Lithuanian swimmer, Olympic gold medalist, and world record-holder. She is the current world record holder in the 100 metre breaststroke.
Adam George Peaty, is a British competitive swimmer who specialises in the breaststroke. He won the gold medal in the 100 metre breaststroke at the 2016 Summer Olympics, the first by a male British swimmer in 24 years, and retained the title at the 2020 Summer Olympics in 2021, the first British swimmer ever to retain an Olympic title. He is also an eight-time World Champion, a sixteen-time European Champion and a three-time Commonwealth Champion.
Turkmenistan competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's sixth consecutive appearance at the Summer Olympics in the post-Soviet era.
Martín Andrés Melconian Álvez is a Uruguayan swimmer. He competed in the men's 100 metre breaststroke event at the 2016 Summer Olympics. His brother Gabriel Melconian is also a swimmer.
Julie Meynen is a Luxembourgian swimmer. She competed in the women's 100 metre freestyle event at the 2016 Summer Olympics.
Nikol Merizaj is an Albanian swimmer. She competed in the women's 100 metre freestyle event at the 2016 Summer Olympics where she finished 43rd in the heats and did not advance.
Allyson Ponson is an Aruban swimmer. She holds the national record in 50 and 100 metre freestyle and 50 metre backstroke. In 2011, she was named Aruban Athlete of the Year. She placed 45th in the 50 metre freestyle event at the 2016 Summer Olympics held in Rio de Janeiro, Brazil.
Lin Pei-wun is a Taiwanese swimmer. She competed at the 2016 Summer Olympics in the Women's 50 m freestyle and finished 49th with a time of 26.41 seconds. She did not advance to the semifinals, which required a top 16 finish in the heats.
Haneen Sami Bashir Ibrahim is a Sudanese swimmer. She competed in the women's 50 metre freestyle event at the 2016 Summer Olympics, where she ranked 84th with a time of 36.25 seconds. She did not advance to the semifinals. Ibrahim holds the national record in women's 50 metre freestyle.
Roukaya Moussa Mahamane is a Nigerien swimmer. She competed in the women's 50 metre freestyle event at the 2016 Summer Olympics, where she ranked 83rd with a time of 36.50 seconds, a national record. She did not advance to the semifinals.
Evita Leter is a Surinamese swimmer. She competed at the 2016 Summer Olympics in the women's 100 metre breaststroke event; her time of 1:14.96 in the heats did not qualify her for the semifinals. She hails from Paramaribo. In 2019, she represented Suriname at the 2019 World Aquatics Championships held in Gwangju, South Korea.
Jeanne Boutbien is a French-Senegalese swimmer. She competed in the women's 100 metre freestyle event at the 2017 World Aquatics Championships.
Ema Rajić is a Croatian swimmer. She graduated from University Laboratory High School in 2018. She competed in the women's 50 metre breaststroke at the 2019 World Aquatics Championships and she did not advance to compete in the semi-finals.
Odrina Kaze is a Burundian swimmer.
Aaliyah Palestrini is a Seychellois swimmer. In 2019, she represented Seychelles at the 2019 World Aquatics Championships held in Gwangju, South Korea. She competed in the women's 50 metre breaststroke and women's 50 metre butterfly events. In both events she did not advance to compete in the semi-finals. She also competed in the 4 × 100 metre mixed freestyle relay event.
Jenjira Srisaard is a Thai swimmer.
Taeyanna Adams is a Micronesian swimmer, who is the national record holder in multiple events. She competed in the 100 metre breaststroke event at the delayed 2020 Summer Olympics.
