Matthew Nicholas Biondi is an American former competitive swimmer and water polo player. As a swimmer, he is an eleven-time Olympic medalist, and former world record-holder in five events. Biondi competed in the Summer Olympic Games in 1984, 1988 and 1992, winning a total of eleven medals. During his career, he set three individual world records in the 50-meter freestyle and four in the 100-meter freestyle.
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.
The Michigan Wolverines swimming and diving teams represent the University of Michigan in the National Collegiate Athletic Association (NCAA) Division I Swimming and Diving Championships. The men's and women's teams, which had been coached separately, were combined in August 2012 by the University of Michigan Athletic Department.
Christopher Charles Jacobs is an American former competition swimmer, two-time Olympic champion, and former world record-holder.
Matthew Owen Gribble was an American high school and college competitive swimmer, 1982 World Aquatics champion, two-time U.S. Olympic team member, and an August 1983 world record-holder in the 100-meter butterfly. He also swam on a 4x100 U.S. medley relay team at the August 1982 World Aquatics championships that set a world record of 3:40.84.
Lawrence Bruce Hayes is an American former competition swimmer best known for anchoring the U.S. men's 4×200-meter freestyle relay team that won the gold medal at the 1984 Summer Olympics in Los Angeles.
Matthew John Anderson is an American professional volleyball player. He is part of the U.S. national team, a bronze medalist at the Olympic Games Rio 2016 and the 2018 World Championship, 2014 World League and 2015 World Cup winner. He is a multiple winner of the CEV Champions League with the Russian club Zenit Kazan. At the professional club level, he plays for Ziraat Bankası Ankara.
Matthew Grevers is a former American competition swimmer who competes in the backstroke and freestyle events, and is a six-time Olympic medalist. He has won a total of thirty-three medals in major international competition, fourteen gold, twelve silver, and seven bronze spanning the Olympics, World Championships, and the Universiade. At the 2008 Summer Olympics, Grevers won gold medals as a member of the U.S. teams in the 4×100-meter freestyle and 4×100-meter medley relays, and a silver medal in the 100-meter backstroke. Four years later, at the 2012 Summer Olympics, he won gold medals in the 100-meter backstroke and the 4×100-meter medley relay, and a silver medal in the 4×100-meter freestyle relay.
Matthew Stephen Targett is an Australian sprint freestyle and butterfly swimmer and model.
Jon Urbanchek was a Hungarian-born American swimming coach, best known for his 22-year tenure as the head coach of the Michigan Wolverines swimming and diving team of the University of Michigan from 1982 to 2004. He has served as a coach on multiple United States national swim teams, including the U.S. Olympic swim teams in 1988, 1992, 1996, 2000, and 2004, and as a special assistant in 2008 and 2012.
Matthew Abood is a freestyle swimmer from Australia. He won the bronze medal with the Australian swimming team at the 2016 Olympics in Rio de Janeiro as well as the gold medal at the 2011 World Championships in Shanghai.
Joel Ladd Thomas is an American former competition swimmer and Water Polo player for the University of California at Berkeley and a 1992 Olympic gold medalist in the 4x100-meter freestyle relay.
Matthew Centrowitz Jr. is an American middle-distance runner, who specializes in the 1500 metres. He won a gold medal in the event at the 2016 Summer Olympics in Rio de Janeiro. He also achieved a bronze medal at the 2011 World Championships and a silver medal at the 2013 World Championships. Centrowitz is a five-time national champion in the 1500 m at the USA Outdoor Track and Field Championships.
Matthew McLean is an American competition swimmer who has been a member of several winning U.S. teams in freestyle relay events. He was a member of the 2012 United States Olympic team, and earned a gold medal as a member of the winning U.S. team in the 4×200-meter freestyle relay at the 2012 Summer Olympics.
Matthew Stanley is a New Zealand swimmer. His home town is Matamata, where he started swimming at the local swimming club at the age of seven.
Jesse Aungles is an Australian Paralympic swimmer. He represented Australia at the 2016 Summer Paralympics and the 2020 Summer Paralympics and has a been selected to compete at the 2024 Summer Paralympics in Paris, France.
Matthew Hutchins 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 400 metre freestyle.
Matthew James Klotz is an American male deaf swimmer and reality television contestant. He has represented the United States at the Deaflympics and in other international events including the Deaf World Championships. He is a world record holder in swimming for deaf and is considered one of the finest deaf swimmers to represent USA after the retirements of Marcus Titus and Reed Gershwind. He made his Deaflympic debut at the 2013 Summer Deaflympics.
Matthew Richards is a British swimmer specialising in 100 and 200 metre freestyle, active internationally from 2020. He won the gold medal in the 200 metre freestyle at 2023 World Aquatics Championships, Olympic gold in the 4 x 200 metre freestyle relay at the 2020 Summer Olympics and World gold in the same event at the 2023 World Championships.
Matthew Fallon is an American swimmer and 2024 Summer Olympics team member for the United States. Fallon qualified at the 2024 US Olympic Swimming Team Trials where he is placed first in the 200m breaststroke.
United States 
