The Federated States of Micronesia sent a team of five athletes to compete at the 2008 Summer Olympics in Beijing, China. The appearance of the delegation marked the third appearance by a Micronesian team at the Olympics since its debut at the 2000 Summer Olympics in Sydney, Australia. Three male athletes and two female athletes comprised the Olympic team. None of the track or swimming athletes advanced past the qualification round, and Minginfel placed second to last in his event. There has yet to be a medalist from the Federated States of Micronesia. Minginfel held the Micronesian flag in the opening ceremony.
Anna Stylianou is a Cypriot swimmer, who specialized in freestyle events. Stylianou made her official debut, as a 14-year-old, at the 2000 Summer Olympics in Sydney, where she placed forty-fourth overall in the women's 100 m freestyle, with a time of 59.08 seconds.
Samantha Paxinos is a Botswana swimmer, who specialized in sprint freestyle events. She became one of the first-ever Botswana swimmers, alongside John Kamyuka, to compete at the 2008 Summer Olympics, and the first female to carry the nation's flag in the opening ceremony. At the games she swam in heat three, but fell behind Olivia Aya Nakitanda of Uganda by more than half a second, failing to advance to the semifinals.
Amber Sikosang Yobech is a Palauan swimmer, who specialized in sprint freestyle events. At age seventeen, she became one of the youngest swimmers to mark their Olympic debut at the 2008 Summer Olympics in Beijing. Swimming in heat three of the women's 50 m freestyle, Yobech threw down her personal best in 30.00 seconds to claim the third spot in a splash-and-dash-finish. Yobech failed to advance to the semifinals, as she placed seventy-first overall out of ninety-two entrants in the prelims.
Ximene Gomes is a Mozambican swimmer, who specialized in sprint freestyle events. She represented her nation Mozambique at the 2008 Summer Olympics, finishing among the top 60 swimmers in the women's 50 m freestyle.
Senele Dlamini is a Swazi swimmer, who specialized in freestyle and backstroke events. She represented her nation Swaziland at the 2008 Summer Olympics, finishing among the top 65 swimmers in the 50 m freestyle.
Elena Popovska is a Macedonian swimmer, who specialized in sprint freestyle events. She represented the Republic of Macedonia at the 2008 Summer Olympics, placing among the top 50 swimmers in the 100 m freestyle.
Julianne Kirchner is an American and Marshallese swimmer, who specialized in sprint freestyle events. Having moved with her family to the Marshall Islands at a very young age because of her father's occupation, Kirchner acquired a dual citizenship to participate internationally for her new homeland in swimming at the 2008 Summer Olympics.
Loren Yamilé Bahamonde Cabello is an Ecuadorian swimmer, who specialized in freestyle and butterfly events. She represented her nation Ecuador at the 2008 Summer Olympics, and has won a career total of three bronze medals in a major international competition, spanning the two editions of the South American Games. Moreover, she collected a total of sixteen national records in three freestyle events.
Natasha Moodie is a Jamaican competitive swimmer, who specialized in sprint freestyle events. She was a three-time national record holder and NCAA All-American champion, and a member of the Jamaican team at the 2008 Summer Olympics. While studying kinesiology at the University of Michigan in Ann Arbor, Michigan, Moodie trained and swam for the Michigan Wolverines team under head coach Jim Richardson. She is a member of the award-winning Team Rogers in Tulsa, Oklahoma.
Nieh Pin-chieh is a Taiwanese swimmer, who specialized in sprint freestyle events. She represented the Chinese Taipei national team in two editions of the Olympic Games, competing in a sprint freestyle double.
Mariya Bugakova is an Uzbekistani former swimmer, who specialized in butterfly and sprint freestyle events. She represented Uzbekistan at three editions of the Olympic Games. She is also the elder sister of backstroke swimmer and two-time Olympian Danil Bugakov. Bugakova is a law school graduate at the Tashkent State University of Economics.
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.
Anna-Liza Mopio-Jane is a Papua New Guinean swimmer, who specialized in sprint freestyle events. She represented her nation Papua New Guinea at the 2008 Summer Olympics, swimming in the 50 m freestyle. Before her retirement from competitive swimming career in 2012, Mopio-Jane trained for Chandler Swim Club in her current residence Brisbane, Queensland, Australia, under the tutelage of head coach Drew McGregor.
Éva Dobár is a Hungarian swimmer, who specialized in sprint freestyle events. Dobar represented her nation Hungary at the 2008 Summer Olympics, and also trained as a member of the swimming team at Jövő Sports Club in Miskolc, under the tutelage of personal coach Balázs Fehérvári.
Ragnheiður Ragnarsdóttir, also known as Ragga Ragnars is an Icelandic actress and former swimmer, who specialised in sprint freestyle events. She is a multiple-time Icelandic record holder in both long and short course freestyle. After retiring from swimming, Ragnheiður studied acting and has played the role of Gunnhild on the TV series Vikings since 2018.
Razan Taha is a Jordanian swimmer, who specialized in sprint freestyle events. She represented her nation Jordan at the 2008 Summer Olympics, placing herself among the top 70 swimmers in the 50 m freestyle.
Sharon Paola Fajardo Sierra is a Honduran swimmer, who specialized in sprint freestyle events. She represented her nation Honduras at the 2008 Summer Olympics, and has owned a Honduran record each in both 50 and 100 m freestyle, which were eventually set by Julimar Avila in 2013.
Sigrún Brá Sverrisdóttir is an Icelandic swimmer, who specialized in freestyle events. She represented her nation Iceland at the 2008 Summer Olympics, and has held multiple Icelandic championship titles and national records in the women's freestyle. Sverrisdottir is also a member of the swimming team for the Arkansas Razorbacks, while pursuing her studies at the University of Arkansas in Fayetteville.
Chang Hee-jin is a South Korean former swimmer, who specialized in sprint freestyle events. She is a two-time Olympian, and a three-time All-American swimmer in the same stroke. Chang is also a former varsity swimmer for the Texas Longhorns, and a graduate of political science at the University of Texas in Austin, Texas. Prior to her time with the Longhorns, she attended Phillips Academy in Andover, Massachusetts, where she was a 4-year varsity athlete and a formerly held various NEPSAC swimming records.
Uganda 
