1,324 articles
Matt Welsh
Matt Welsh (Matthew James Welsh, born 1976) is a retired Australian backstroke swimmer, three-time Olympic medalist at Sydney 2000, and world record holder in short-course backstroke and long-course 50m butterfly.
Matteo Rivolta
Matteo Rivolta, Italian butterfly swimmer born 1991 in Milan, two-time Olympian (2012, 2016), three-time short-course world champion, short-course 4x50 medley relay world record holder (1:29.72), retired February 2024.
Matthew Dunn
Matthew Stephen "Matt" Dunn (born 1973), Australian individual-medley swimmer; three Olympics (1992, 1996, 2000), eight short-course world titles, four world records including 400 m IM 4:04.24; now World Aquatics First Vice President.
Mattias Ohlin
Mattias Ohlin (Rolf Lennart Mattias Ohlin, born 1978, Trelleborg) is a Swedish swimmer, Olympian at Sydney 2000 and Athens 2004, and short-course 4x100 m freestyle relay world champion and record holder (3:09.57, 2000).
Maud van der Meer
Maud van der Meer (born 1992) is a retired Dutch freestyle swimmer who won world and European relay titles and set short-course world records at the 2014 Doha championships.
Maurice Lusien
Maurice Lusien (1926-2017) was a French breaststroke swimmer who competed at the 1948 and 1952 Olympics, took 1950 European silver in the 200 m breaststroke, won Mediterranean Games golds, and set pre-recognition world records in the 400 m individual medley.
Max Hainle
Max Hainle (Max Otto Hainle, 1882-1924), German swimmer and water polo player; won gold in the 200 m team swim at Paris 1900, fourth in the 1,000 m freestyle, and German 1,500 m champion 1898 and 1900.
Maxime Grousset
Maxime Grousset, French swimmer born 1999 in Nouméa, New Caledonia; sprint freestyle and butterfly specialist; triple long-course world champion (100 fly 2023, 50 and 100 fly 2025) and Paris 2024 relay bronze medalist.
Maya DiRado
Maya DiRado, American swimmer, Stanford 2014, won four medals at Rio 2016: golds in the 200m backstroke (2:05.99) and 4x200m freestyle relay, silver 400m IM, bronze 200m IM, then retired to management consulting.
Mayumi Aoki
Mayumi Aoki (青木まゆみ), born 1953 in Yamaga, Kumamoto, is a Japanese swimmer who won the 1972 Munich Olympic 100 m butterfly gold in world record 1:03.34, held the record twice in 1972, and took 1973 world bronze.
Meg Harris
Meg Harris (born 2002) is an Australian sprint freestyle swimmer with two Olympic relay golds (Tokyo, Paris), 50m freestyle silver in Paris, world 50m title in 2025, and six golds at Glasgow 2026.
Megan Quann Jendrick
Megan Quann Jendrick, American breaststroke swimmer born 1984 in Tacoma, Washington; won 100m breaststroke and medley relay gold at Sydney 2000 as Megan Quann, 2008 relay silver, retired 2013.
Mehdy Metella
Mehdy Metella (born 1992 in Cayenne, French Guiana) is a retired French sprint freestyle and butterfly swimmer who won silver in the 4 × 100 m freestyle relay at the 2016 Rio Olympics.
Mel Schlanger
Mel Schlanger (Melanie Wright), born 1986, Australian freestyle swimmer; five Olympic medals including 4x100m freestyle relay gold at London 2012; retired 2016, later a Bond University medical student.
Mel Stewart
Mel Stewart (Melvin Monroe Stewart, born 1968) is an American swimmer, 1992 Olympic 200 m butterfly and medley relay gold medalist, 1991 world champion, former 200 fly world record holder (1:55.69), and co-founder of SwimSwam.
Melanie Margalis
Melanie Margalis (Melanie Ann Margalis-Fink), American swimmer born 1991 in Clearwater, Florida; Olympic gold medalist in the 4x200 m freestyle relay at Rio 2016, three-time world relay champion, former short-course American record holder in the 100, 200, and 400 m IM, now a Georgia Tech assistant coach.
Melanie Valerio
Melanie Valerio (Melanie M. Valerio-Thomas), American swimmer born 1969 in Cleveland, Ohio; 1996 Atlanta Olympic gold medalist in the 4x100 m freestyle relay, 1998 world champion, four-time Pan Pacific relay gold medalist, and later Ironman triathlete.
Melissa Belote
Melissa Belote (Belote Ripley), American swimmer born 1956, won three golds at the 1972 Munich Olympics in the 100 and 200 backstroke and medley relay, set world records, and later coached in Arizona.
Michael Andrew
Michael Andrew (born 1999, Edina, Minnesota) is an American sprint swimmer, Tokyo 2020 gold medalist in the 4x100m medley relay (world record 3:26.78), youngest US swimmer to turn pro at 14, USRPT-trained by father Peter Andrew.
Michael Chadwick
Michael Chadwick, American sprint freestyle swimmer from Charlotte, Missouri All-American, US relay world record holder (SCM 4x50 and 4x100 free, 2018 Hangzhou), 11 international medals, later Charlotte Latin coach.
Michael Klim
Michael Klim (born 1977, Gdynia, Poland) is an Australian sprint freestyle and butterfly swimmer, 21-time world record holder, six-time Olympic medalist, and 2022 International Swimming Hall of Fame inductee.
Michael Phelps
Michael Phelps (born 1985, Baltimore) is an American swimmer, the most decorated Olympian ever: 28 medals, 23 gold, over five Games 2000-2016, including a record eight golds at Beijing 2008, plus 33 World Championship medals and 39 world records.
Michael Wall
Michael Wall (Michael Allen "Mike" Wall, born 1946), American distance swimmer, Santa Clara SC and Stanford; 1964 and 1968 Olympic relay heat swimmer, 1965 Universiade 1500 m freestyle champion, and 4x200 m freestyle relay world record holder.
Michele Lamberti
Michele Lamberti is an Italian competitive swimmer born in 2000 in Brescia who specializes in backstroke, holds Italian records, and debuted at the Paris 2024 Olympics.
Michelle Coleman
Michelle Coleman, born in 1993 in Vallentuna, Sweden, is a retired Swedish freestyle swimmer who competed at four Olympic Games from London 2012 to Paris 2024.
Michelle Ford
Michelle Ford (Michelle Jan Ford-Eriksson), Australian swimmer born 1962 in Sydney; 1980 Moscow Olympic gold in the 800 m freestyle and bronze in the 200 m butterfly; dual 800 m world record holder; founding IOC Athletes' Commission member.
Michelle Smith
Michelle Smith (Michelle Smith-de Bruin), Irish swimmer born 1969 in Rathcoole, Dublin; won three golds and a bronze at Atlanta 1996, Ireland's most successful Olympian, banned four years by FINA in 1998 for a tampered sample.
Mie Ø. Nielsen
Mie Ø. Nielsen (Mie Østergaard Nielsen), Danish backstroke and freestyle swimmer born 1996 in Aalborg; 2016 Olympic bronze in the 4x100 m medley relay, 2013 European short-course 100 m backstroke champion in a European record 55.99, retired 2020.
Mike Austin
Mike Austin (Michael MacKay Austin, born 1943), American swimmer, Yale; 1964 Tokyo Olympic gold and world record in the 4x100 m freestyle relay. Namesake: golfer Mike Austin, 515-yard drive record holder.
Mike Barrowman
Mike Barrowman (Michael Ray Barrowman, born 1968, Asunción, Paraguay) is an American swimmer, 1992 Olympic 200 m breaststroke champion in world-record 2:10.16, six-time world record breaker, ISHOF honoree.