The men's 100 metre breaststroke event at the 2004 Summer Olympics was contested at the Olympic Aquatic Centre of the Athens Olympic Sports Complex in Athens, Greece on August 14 and 15.
The men's 200 metre breaststroke event at the 2004 Olympic Games was contested at the Olympic Aquatic Centre of the Athens Olympic Sports Complex in Athens, Greece on August 17 and 18.
Kosuke Kitajima is a Japanese retired breaststroke swimmer. He won gold medals at the men's 100 m and 200 m breaststroke events at the 2004 Summer Olympics, and the 2008 Summer Olympics – becoming the first and only swimmer to sweep the breaststroke events at consecutive Olympic games.
Dániel Gyurta is a Hungarian former competitive swimmer who mainly competed in the 200-metre breaststroke. In 2016, Gyurta became a member of the International Olympic Committee (IOC), he is a member of the European Olympic Committees (EOC) Athletes' Commission since 2013 and a member of the Athletes Commission since 2016.
Brendan Joseph Hansen is an American former competition swimmer who specialized in breaststroke events. Hansen is a six-time Olympic medalist, and is also a former world record-holder in both the 100-meter and 200-meter breaststroke events.
Vladislav Vitalyevich Polyakov is a Kazakhstani swimmer, who specialized in breaststroke events. He swam for his native Kazakhstan at three Olympic Games, and eventually finished fifth in both 100 and 200 m breaststroke at his official Olympic debut in Athens. In total, he has won eight medals in major international tournaments, including his first career gold from the 2006 FINA World Short Course Championships in Shanghai, China. While residing in the United States, Polyakov is a five-time SEC champion, a double NCAA titleholder, and a two-time gold medalist at the national championships. He also earned a total of twelve All-American titles while playing for the Alabama Crimson Tide from 2003 to 2007.
Alexander Dale Oen was a Norwegian swimmer. He represented the clubs Vestkantsvømmerne (1995–2010) and Bærumsvømmerne (2011–2012). Dale Oen's gold at the 2008 European Championships made him the first Norwegian male to win a medal at a major international long course championship.
The men's 100 metre breaststroke event at the 2000 Summer Olympics took place on 16–17 September at the Sydney International Aquatic Centre in Sydney, Australia.
Mohammad Alirezaei Dizicheh is an Iranian former breaststroke swimmer.
The men's 4 × 100 metre medley relay event at the 2008 Olympic Games took place on 15 and 17 August at the Beijing National Aquatics Center in Beijing, China.
The men's 200 metre breaststroke event at the 2008 Olympic Games took place on 12–14 August at the Beijing National Aquatics Center in Beijing, China.
Giedrius Titenis is a Lithuanian swimmer, who specialized in breaststroke events. He is a four-time Olympian, a multiple-time Lithuanian record holder in the men's breaststroke, and a double swimming champion in the same discipline at the 2011 Summer Universiade in Shenzhen, China. Titenis is also a member of Anykščiai Swimming Club, and is coached and trained by Žilvinas Ovsiukas.
The men's 100 metre breaststroke event at the 2012 Summer Olympics took place on 28–29 July at the London Aquatics Centre in London, United Kingdom.
The men's 200 metre breaststroke event at the 2012 Summer Olympics took place on 31 July and 1 August at the London Aquatics Centre in London, United Kingdom.
Yuta Suenaga is a Japanese swimmer, who specialized in breaststroke events. He attained a top eight finish in the 100 m breaststroke at the 2007 Summer Universiade in Bangkok, Thailand, and had been selected to represent Japan at the 2008 Summer Olympics. Suenaga is an economics graduate at Hosei University in Tokyo.
Ben-Rachmiel Labowitch is a New Zealand former swimmer, who specialized in breaststroke events. Since his mother is a New Zealand citizen, Labowitch claims a dual citizenship which allowed him to try out and make the New Zealand Olympic team. Labowitch is also a former member of North Shore Swim Club under his coach Thomas Ensorg, and a graduate of Drury University in Springfield, Missouri, where he played for the Drury Panthers.
Daniel Tam Chi-kin is a Hong Kong former swimmer, who specialized in breaststroke events. He is a two-time Olympian, and a double finalist in the 100 and 200 m breaststroke at the 2002 Asian Games in Busan, South Korea. Tam is a member of the swimming team for SLA Sports Club, and is trained by an Australian-born coach Anthony Giorgi.
Cristian Mauro Soldano is an Argentine former swimmer, who specialized in breaststroke events. He is a two-time semifinalist in the 100 m breaststroke at the Pan American Games.
Jean Luc Razakarivony is a Malagasy former swimmer, who specialized in breaststroke events. He is a three-time Olympian, a multiple-time Malagasy record holder in the 100 and 200 m breaststroke, and a member of Genève Natation 1885, based in Geneva, Switzerland.
The men's 100 metre breaststroke event at the 2016 Summer Olympics took place between 6–7 August at the Olympic Aquatics Stadium.
