Matthew James Welsh is an Australian swimmer who is the former world champion in the backstroke and butterfly. He took two golds in 50-meter butterfly and 50-meter backstroke, during one hour, at the World Championships in Shanghai 2006. Welsh retired from professional swimming in March 2008 when he failed to secure a place in the team for the Beijing Olympics.
Neil Scott Walker is an American former competition swimmer, four-time Olympic medalist, and former world record-holder in multiple events.
Peter Jeffrey Marshall is an American competition swimmer who specializes in the backstroke. He is a former world record holder in the 50-meter backstroke and the 100-meter backstroke.
Richard John Carey is an American former competition swimmer, three-time Olympic champion, and former world record-holder in three events. Carey specialized in the backstroke. At the 1984 Summer Olympics in Los Angeles, he won three gold medals. He broke nine world records, five individually, and also was a double world champion. He was named as the Swimmer of the Year in 1983 by Swimming World magazine.
Roland Matthes was a German swimmer and the most successful backstroke swimmer of all time. Between April 1967 and August 1974 he won all backstroke competitions he entered. He won four European championships and three world championships in a row, and swam 19 world and 28 European records in various backstroke, butterfly and medley events. He was trained by Marlies Grohe.
Rogério Aoki Romero is a former backstroke swimmer from Brazil, who competed at five consecutive Summer Olympics for his native country, starting in 1988. A resident of Belo Horizonte, he won the gold medal in the 200-metre backstroke at the 1991 Pan American Games in Havana, Cuba. Twelve years later he once again did so at the 2003 Pan Am Games.
Alexandre Massura Neto is a retired male freestyle and backstroke swimmer from Brazil, who competed at two consecutive Summer Olympics for his native country, starting in 1996. Actually a resident of Minneapolis, Minnesota.
Lucas Vinícius Yokoo Salatta is a Brazilian backstroke swimmer.
Guilherme Augusto Guido is a Brazilian backstroke swimmer who specializes in sprint events. He was twice a finalist in the 100 metre backstroke at World Championships
Paul James Kingsman is a swimmer and Olympic medalist from New Zealand. He participated at the 1988 Summer Olympics, winning a bronze medal in 200 metre backstroke. He also competed at the 1984 Summer Olympics.
Mitchell James Larkin is an Australian competitive swimmer who specialises in backstroke events. He currently represents the Cali Condors which is part of the International Swimming League. Larkin competed for Australia at the 2012 Summer Olympics, 2016 Summer Olympics and the 2020 Summer Olympics.
Danas Rapšys is a Lithuanian swimmer. He is a two-time Olympian, a multiple-time Lithuanian record holder in the men's backstroke, freestyle and butterfly, and a double swimming champion at the 2017 Summer Universiade in Taipei, Taiwan. Rapšys is also a member of Panevežys Žemyna Club, and is coached and trained by Ina Paipelienė.
Luke Greenbank is an English professional swimmer who specialises in backstroke. A medalist in the 200 metre backstroke at the Olympic Games and the World and European championships, he also swam the first leg in the 2019 World and 2020 European Championship gold medal-winning Great Britain medley relay teams. He won a silver medal as lead-off for Great Britain in the 4 x 100 metre medley relay for men at the 2020 Summer Olympics. He won a gold medal as lead-off for England in the heats of the 4 x 100 metre medley relay for men at the 2022 Commonwealth Games.
Evgeny Mikhailovich Rylov is a Russian competitive swimmer and Olympic champion specializing in backstroke events. He won three gold medals at the 2014 Summer Youth Olympics in Nanjing, and a bronze medal at his senior international debut at the 2015 World Championships in Kazan. He also won a bronze medal at the 2016 Summer Olympics in Rio de Janeiro and a gold medal at the 2017 World Championships in Budapest, both were in the 200 metre backstroke event. In 2018, at the 2018 World Short Course Championships, he won gold medals in the 200 metre backstroke and 50 metre backstroke. At the 2019 World Championships, he won a gold medal in the 200 metre backstroke, silver medal in the 100 metre backstroke, and silver medal in the 50 metre backstroke. He won the gold medal in the 100 metre backstroke and 200 metre backstroke at the 2020 Summer Olympics in Tokyo.
Simone Sabbioni is an Italian competitive swimmer and two-time Olympian who competed at the 2016 Olympics and the 2020 Olympics. He is a former Italian record holder in the short course 50 metre backstroke, 100 metre backstroke, 200 metre backstroke, 4×50 metre medley relay and the long course 100 metre backstroke.
Corey Charles Garth Main is a New Zealand swimmer who qualified to compete at the 2016 Summer Olympics to be held in Rio de Janeiro, Brazil, in the men's 100 metre backstroke.
Swimming at the 2017 World Aquatics Championships was held from 23 to 30 July 2017 in Budapest, Hungary.
Kliment Andreyevich Kolesnikov is a Russian swimmer. He holds world junior records in eight events: 50/100/200 back in long course, as well as 200 free, 50/100/200 back and 100 IM in short course.
Thomas Ceccon is an Italian swimmer. He is a world record holder in the long course 100 metre backstroke and the short course 4×100 metre freestyle relay. He is also the Italian record holder in the long course 50 metre backstroke and 50 metre butterfly. He is the 2022 World champion in the 100 metre backstroke and 2022 European champion in the 100 metre backstroke and 50 metre butterfly. In the 100 metre individual medley, he won the gold medal at the 2022 World Short Course Championships and the bronze medal at the 2021 World Short Course Championships. At the 2020 Summer Olympics, he won a silver medal in 4×100 metre freestyle relay, a bronze medal in the 4×100 metre medley relay, placed fourth in the 100 metre bacsktroke, and placed twelfth in the 100 metre freestyle.
Lorenzo Mora is a competitive Italian swimmer. He is a world record holder in the short course 4×50 metre medley relay. He is the Italian record holder in the short course 100 metre backstroke and 200 metre backstroke. In the 50 metre backstroke, he won the silver medal at the 2021 World Short Course Championships and the bronze medal at the 2022 Mediterranean Games. In the 100 metre backstroke, he won the silver medal at each the 2022 World Short Course Championships and the 2022 Mediterranean Games. In the 200 metre backstroke, he won the bronze medal at the 2022 World Short Course Championships, the silver medal at the 2021 European Short Course Championships, and the gold medal at the 2022 Mediterranean Games.
Canada 
