Susan O'Neill, is an Australian former competitive swimmer from Brisbane, Queensland, nicknamed "Madame Butterfly". She achieved eight Olympic Games medals during her swimming career.
Hayley Jane Lewis, OAM, is an Australian former competitive swimmer best known for winning five gold medals and one bronze medal at the 1990 Commonwealth Games as a 15-year-old.
Alicia Jayne Coutts, is an Australian competitive medley, butterfly and freestyle swimmer. She represented Australia at the 2008 Summer Olympics, 2012 Summer Olympics and the 2010 Commonwealth Games. She was a Swimming Australia National Training Centre scholarship holder and was coached by John Fowlie. Her haul of five medals at the 2012 Summer Olympics matches fellow Australians Ian Thorpe and Shane Gould in one single Olympics, and trails only Emma McKeon’s seven.
Chad Guy Bertrand le Clos, OIS is a South African competitive swimmer who is an Olympic, World and Commonwealth Games champion. He is the African record, Commonwealth record, and South African record holder in the short course and long course 200-metre butterfly and the short course 100-metre butterfly. He also holds the African records and South African records in the long course 200-metre freestyle and 100-metre butterfly, and the short course 100-metre freestyle. Formerly, he was a world record holder in the short course 100-metre butterfly and 200-metre butterfly.
Katerine Savard is a Canadian competitive swimmer who specializes in women's butterfly events and freestyle relay. She holds several Canadian national records in the butterfly over the 50-, 100-, and 200-metre distances in both the short and long courses. Savard also holds the Canadian junior butterfly record in the 200-metre event. She won the gold medal at the 100-metre butterfly event at the 2013 Summer Universiade,held in Kazan.Savard alsk won gold at the 2014 Commonwealth Games in the 100-metre butterfly in Glasgow, where she set the Commonwealth record in the process. At the same games she also won a bronze as a member of the women's 4×100-metre medley relay team.
Emma Jennifer McKeon, is an Australian competitive swimmer. She is a seven-time world record holder, three current and four former, in relays. Her total career haul of 11 Olympic medals following the 2020 Olympic Games made her Australia's most decorated Olympian and included one gold medal from the 2016 Summer Olympics in Rio de Janeiro and four gold medals from the 2020 Summer Olympics in Tokyo. With four gold and three bronze medals she was the most decorated athlete across all sports at the 2020 Summer Olympics, and tied for the most medals won by a woman in a single Olympic Games. She has also won 20 medals, including five gold medals, at the World Aquatics Championships; and a record 20 medals, including 14 gold, at the Commonwealth Games.
Emily Beecroft is an Australian Paralympic swimmer. She represented Australia at the 2016 Rio Paralympics and the 2020 Tokyo Paralympics. She won a silver and bronze medal at the 2020 Tokyo Paralympics.
Madeline Groves is an Australian competitive swimmer. She was the Australian national champion in the 200 m butterfly event in 2013, 2014, 2015 and 2016. At the 2014 Commonwealth Games she was a bronze medallist in the 200 m butterfly event, and swam in the heats for the gold medal-winning Australian freestyle relay team. She was selected to represent Australia in the 100 m and 200 m butterfly, and 4 × 200 m freestyle relay events at the 2016 Summer Olympics in Rio de Janeiro.
Alys Margaret Thomas is a British professional swimmer. She gained a gold medal and the 200m Butterfly Commonwealth games record in 2018.
Erin Gallagher is a South African swimmer. She competed in the women's 100 metre freestyle event at the 2017 World Aquatics Championships. In 2019, she represented South Africa at the 2019 African Games held in Rabat, Morocco.
Kaylee Rochelle McKeown is an Australian swimmer and triple Olympic gold medalist. She is the world record holder in the long course 100 metre backstroke and both the long course and short course 200 metre backstroke. She won Gold in both the 100 metre and 200 metre backstroke, as well as the 4×100 metre medley relay at the 2020 Summer Olympics staged in Tokyo in 2021.
Rebecca Smith is a Canadian swimmer. She competed in the women's 4 × 100 metre freestyle relay event at the 2017 World Aquatics Championships.
Laura Stephens is a British swimmer.
Jasmine Greenwood is an Australian Paralympic swimmer. At the 2020 Tokyo Paralympics, she won a silver medal in the 100 m butterfly S10.
Ruby Storm is an Australian Paralympic swimmer with an intellectual disability. She represented Australia at the 2019 World Para Swimming Championships, winning a bronze medal, and at the 2020 Tokyo Paralympics, she won a silver and bronze medal.
Toni Stephanie Shaw is a British Paralympic swimmer. In 2019 she set the world record time for the S9 200m butterfly, and was also part of the team that set a new world record for the 4 × 100 m medley relay. At the 2020 Summer Paralympics, she won a bronze medal in the women's 400 metre freestyle S9 event and later went on to win gold at the 2022 World Para Swimming Championships, becoming the World Champion. She is a three-time World Champion and two-time European Champion.
Penny McCarthy is a New Zealand swimmer. She won the silver medal in the women's 100 metres butterfly representing her country at the 1978 Commonwealth Games in Edmonton, recording a time of 1:02.27, and finishing 0.35 s behind the winner, Wendy Quirk from Canada. She also competed in the 200 metres butterfly at those games, but finished ninth in the heats and did not progress further.
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