The men's 1500 metre freestyle event at the 2008 Olympic Games took place on 15 and 17 August at the Beijing National Aquatics Center in Beijing, China.
Nataliya Khudyakova is a Ukrainian swimmer, who specialized in freestyle events.
Serhiy Mykolaiovych Advena is a Ukrainian former swimmer who specializes in the freestyle and butterfly swimming styles. He is a two-time Olympian, and a multiple-time Ukrainian record holder in both 100 and 200 m butterfly. He also helped out the Ukrainian team to upset their American rivals and claim the medley relay title (3:38.49) at the 2005 Summer Universiade in Izmir, Turkey.
Irina Shlemova is an Uzbekistani former swimmer, who specialized in sprint freestyle events. She is a two-time Olympian and a member of Oltin Suv Swimming Club, under the tutelage of her personal coach Daniya Galandinova.
Mahrez Mebarek is an Algerian former swimmer, who specialized in freestyle events. He is a multiple-time Algerian record holder in long-distance freestyle.
Michal Rubáček is a Czech swimmer, who specialized in butterfly events. He is a two-time Olympian, and a multiple-time Czech national record holder for the butterfly events.
Jana Klusáčková is a Czech former swimmer who specialized in sprint freestyle events. She is a two-time Olympian and a multiple-time Czech champion and record holder for the freestyle events. Klusackova also won a bronze medal in the 100 m freestyle at the 2005 Summer Universiade in Izmir, Turkey, in an outstanding time of 56.40 seconds.
Diana Duarte Gomes is a Portuguese swimmer, who specialized in breaststroke events. She is a two-time Olympian and a multiple-time Portuguese record holder for the long and short course breaststroke events. She also won three medals in the same category at the 2005 European Junior Swimming Championships in Budapest, Hungary.
Sung Min is a South Korean former swimmer, who specialized in freestyle and backstroke events. He represented South Korea in three editions of the Olympic Games, and held multiple national championship titles and swimming records in the relay freestyle and backstroke events. Sung had also won a total of five bronze medals, including one from the 50 m backstroke, at the 2002 Asian Games in Busan, South Korea, and at the 2006 Asian Games in Doha, Qatar.
Adam Paul Faulkner is an English former competitive swimmer who represented Great Britain in the Olympic Games and competed for England in the Commonwealth Games. Faulkner specialised in long-distance freestyle events. He won a bronze medal, as a member of England swimming team, at the 2002 Commonwealth Games in Manchester, with a final time of 7:22.56.
Adam Lucas is an Australian Olympic swimmer who specialized in individual medley (IM) events. Lucas represented Australia at the 2004 Summer Olympics Games in Athens, Greece, swimming in the 200m IM. Lucas was the Australian Record holder in the Men's short course 100 IM, and won a silver and bronze World Championship medal as a member of 4x200m Freestyle Relay squads at the 2004 World Short Course Championships in Indianapolis, USA, and the 2005 World Championships in Montreal, Canada.
Giancarlo Zolezzi Seoane is a Chilean former swimmer, who specialized in long-distance freestyle events. He is a multiple-time Chilean swimming champion and record holder in the 200, 400, 800, and 1500 m freestyle.
Charnvudth Saengsri is a Thai former swimmer, who specialized in long-distance freestyle events. He is a two-time silver medalist in the 1500 m freestyle at the Southeast Asian Games.
Saw Yi Khy is a Malaysian former swimmer, who specialised in long-distance freestyle events. He clinched a bronze medal in the 1500 m freestyle at the 2003 Southeast Asian Games in Hanoi, Vietnam with a time of 16:07.22. Saw is also a former varsity swimmer for the Bolles School Sharks in Jacksonville, Florida, alongside his teammate Siow Yi Ting.
Georgios Diamantidis is a Greek former swimmer, who specialized in long-distance freestyle events. Diamantidis qualified for the men's 1500 m freestyle at the 2004 Summer Olympics in Athens, by clearing a FINA A-standard entry time of 15:09.25 from the Greece National Open in Thessaloniki. He challenged seven other swimmers on the fourth heat, including top medal favorite Larsen Jensen of the United States. He rounded out the field to last place by a 27-second margin behind Italy's Christian Minotti in 16:06.31. Diamantidis failed to advance into the final, as he placed thirty-first overall in the preliminaries.
Cho Sung-mo is a South Korean former swimmer, who specialized in long-distance freestyle events. He established a South Korean record of 15:12.32 to earn a silver medal in the 1500 m freestyle at the 2002 Asian Games in Busan. During his swimming career, Cho has been training most of the time between the United States and Mexico, under veteran coach and long-time mentor Jack Simon.
Diego Mularoni is a Sammarinese former swimmer, who specialized in freestyle events. He is a three-time Olympian, and a current Sammarinese record holder in the 100, 200, 400, and 1500 m freestyle since 2001. He has won a total of 13 medals at the Games of the Small States of Europe.
Denys Viktorovych Syzonenko is a Ukrainian former swimmer, who specialized in freestyle events. He is a single-time Olympian (2004), and a two-time relay medalist at the Universiade. He also trains for Dynamo Kyiv swimming team, under his longtime coach Viktor Turchin.
Torwai Sethsothorn is a Thai former swimmer, who specialized in long-distance freestyle but also competed in backstroke and individual medley. He is a single-time Olympian (2000), and a multiple-time SEA Games gold medalist. Sethsothorn is also the brother of 1998 Asian Games champion Torlarp Sethsothorn.
The men's 1500 metre freestyle event at the 2016 Summer Olympics took place on 12–13 August at the Olympic Aquatics Stadium.
Portugal 
