The Maldives competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. The delegation's participation in the Athens Olympics marked the Maldives' fifth appearance at the Summer Olympics since their debut at the 1988 Summer Olympics in Seoul, South Korea. Four athletes competed across two sports; Sultan Saeed and Shifana Ali in track and field, and Hassan Mubah and Aminath Rouya Hussain in swimming. None of the track or swimming athletes advanced past the first round in their events, and no Maldivian has won a medal in any events. Sultan Saeed bore the Maldives' flag during the parade of nations of the opening ceremony.
Danil Haustov is an Estonian former swimmer, who specialized in sprint freestyle events. He set an Estonian record of 1:27.06, as a relay swimmer, in the 4×50 m freestyle at the 2008 European Short Course Swimming Championships in Rijeka, Croatia. Haustov is also a member of Kohtla-Järve Water Sport Club in Tallinn, and is coached and trained by Aleksandr Abel.
Apostolos Tsagkarakis is a Greek former swimmer, who specialized in sprint freestyle events. Regarding as one of Greece's most popular swimmers in a global standard, Tsagkarakis is a 13-time swimming champion, 12-time All-American honoree, and a 20-time national record holder in both freestyle and butterfly. He is also one of two Greek swimmers, alongside Spyridon Bitsakis, who trained for the Alabama Crimson Tide, under head coach Don Gambril, at the University of Alabama in Tuscaloosa.
Raichin Antonov is a Bulgarian former swimmer, who specialized in sprint freestyle events. He is a multiple-time Bulgarian record holder and champion in the 50 and 100 m freestyle. He is also a former member of the swimming team for the Missouri State Bears under head coach Jack Steck, and a business graduate at the Missouri State University in Springfield, Missouri.
Arwut Chinnapasaen is a Thai former swimmer, who specialized in sprint freestyle events. He claimed two gold medals in the 50 m freestyle at the Southeast Asian Games, before losing out to Daniel Coakley of the Philippines in 2007.
Lee Chung-Hee is a South Korean former swimmer, who specialized in sprint freestyle events. He is a sixth-place finalist in the 50 m freestyle, when his nation South Korea hosted the 2002 Asian Games in Busan.
Rodrigo Eduardo Díaz Alarcón is a retired Guatemalan swimmer, who specialized in sprint freestyle events. Diaz qualified for the men's 50 m freestyle at the 2004 Summer Olympics in Athens, by achieving a FINA B-standard of 23.60 from the Central American and Mexican Championships in Panama City, Panama. He challenged seven other swimmers in heat four, including two-time Olympian Gregory Arkhurst of Côte d'Ivoire. He raced to third place by 0.11 of a second behind winner José Mafio of Uruguay, outside his entry time of 23.69. Diaz failed to advance into the semifinals, as he placed fifty-third out of 86 swimmers in the preliminaries.
Abed Rahman Kaaki is a Lebanese former swimmer, who specialized in sprint freestyle events. He represented Lebanon at the 2004 Summer Olympics, and also, held three records for the Connecticut Huskies swimming and diving team at the University of Connecticut, while studying in the United States.
Johnathan Andrew Steele is a Grenadian former swimmer, who specialized in sprint freestyle events. He held numerous age group titles for Grenada in the 50, 100, and 200 m freestyle, and was also chosen as the nation's student athlete for the Olympic Youth Camp, when Australia hosted the 2000 Summer Olympics in Sydney.
Kreshnik Gjata is an Albanian former swimmer, who specialized in sprint freestyle events. Gjata qualified for the men's 50 m freestyle at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA, in an entry time of 26.64. He challenged seven other swimmers in heat three, including 16-year-old Chris Hackel of Mauritius. He posted a lifetime best of 26.61 to earn a fourth spot by a 1.28-second margin behind winner Hackel. Gjata failed to advance into the semifinals, as he shared a sixty-fifth place tie with Kyrgyzstan's Semen Danilov in the prelims.
Hem Kiry is a Cambodian former swimmer, who specialized in sprint freestyle events. He is a two-time Olympian, and served twice as Cambodia's flag bearer in the opening ceremony. He also held a Cambodian record of 26.48 in the 50 m freestyle from the Southeast Asian Games. Hem is currently working as a swimming coach for the Cambodia national team.
Khaled Ghezzawi is a Libyan swimmer, who specialized in sprint freestyle events. Ghezzawi qualified for the men's 50 m freestyle at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA, in an entry time of 27.00. He challenged seven other swimmers in heat three, including 16-year-old Chris Hackel of Mauritius. He raced to sixth place in 27.55, just 0.55 of a second off his entry time. Ghezzawi failed to advance into the semifinals, as he placed seventy-first overall out of 86 swimmers in the preliminaries.
Hassan Mubah is a Maldivian former swimmer, who specialized in sprint freestyle events. He is a two-time Olympian, and holds numerous Maldivian records in the 50 and 100 m freestyle.
Edgar Luberenga is a Ugandan former swimmer, who specialized in sprint freestyle events. Luberenga qualified for the men's 50 m freestyle, as Uganda's only swimmer, at the 2004 Summer Olympics in Athens. He received a Universality place from FINA in an entry time of 27.30. He challenged seven other swimmers in heat three, including 16-year-old Chris Hackel of Mauritius. He rounded out the field to last place by six hundredths of a second (0.06) behind Maldives' Hassan Mubah in 27.77. Luberenga failed to advance into the semifinals, as he placed seventy-fifth overall out of 86 swimmers in the preliminaries.
Anderson Bonabart is a Micronesian former swimmer, who specialized in sprint freestyle events. Bonabart qualified for the men's 50 m freestyle at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA in an entry time of 28.07. He set a Micronesian record of 26.75 to lead the second heat against seven other swimmers, including 15-year-old Malique Williams of Antigua and Barbuda. Bonabart failed to advance into the semifinals, as he placed sixty-eighth overall out of 86 swimmers in the prelims.
Mohamed Saad is a Yemeni former swimmer, who specialized in sprint freestyle events. Saad qualified for the men's 50 m freestyle at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA in an entry time of 29.82. He challenged seven other swimmers in heat two, including 15-year-old Malique Williams of Antigua and Barbuda. He raced to fifth place in 29.97, just 0.15 of a second off his entry time. Saad failed to advance into the semifinals, as he placed eightieth overall out of 86 swimmers in the preliminaries.
Malique Williams is an Antiguan swimmer, who specialized in sprint freestyle events. Williams qualified for the men's 50 m freestyle, as a 15-year-old, at the 2004 Summer Olympics in Athens. He received a Universality place from FINA in an entry time of 34.04. He challenged seven other swimmers in heat two, including 37-year-old Mamadou Ouedraogo of Burkina Faso. He posted a lifetime best of 32.86 to secure seventh spot over Malawi's Yona Walesi by a 1.15-second margin. Williams failed to advance into the semifinals, as he placed eighty-second overall out of 86 swimmers in the preliminaries.
Ahmed Mohamed Jewel is a Bangladeshi former swimmer, who specialized in sprint freestyle events. Ahmed qualified for the men's 50 m freestyle at the 2004 Summer Olympics in Athens, without having an entry time. He challenged five other swimmers in heat one, including 16-year-old Emile Rony Bakale of Congo. He posted both a lifetime best and a Bangladeshi record of 25.47 to earn a second spot by four tenths of a second (0.40) behind winner Bakale. Ahmed failed to advance into the semifinals, as he placed sixty-third overall out of 86 swimmers in the preliminaries.
Donnie Defreitas is a former swimmer from Saint Vincent and the Grenadines, who specialized in sprint freestyle events. Defreitas qualified for the men's 50 m freestyle at the 2004 Summer Olympics in Athens, without having an entry time. He challenged five other swimmers in heat one, including 16-year-old Emile Rony Bakale of Congo. He posted a lifetime best of 27.72 to earn a fourth spot by a 2.65-second margin behind winner Bakale. Defreitas failed to advance into the semifinals, as he placed seventy-fourth overall out of 86 swimmers in the preliminaries.
David Keita is a Malian former swimmer, who specialized in sprint freestyle events. Keita qualified for the men's 50 m freestyle at the 2004 Summer Olympics in Athens, without having an entry time. He challenged five other swimmers in heat one, including 16-year-old Emile Rony Bakale of Congo. He rounded out the field to last place by nearly five seconds behind winner Bakale, overhauling a 30-second barrier and posting a personal best of 29.96. Keita failed to advance into the semifinals, as he placed seventy-ninth overall out of 86 swimmers in the preliminaries.
Cameroon 
