Roland Mark Schoeman OIS is a South African American swimmer and was a member of the South African swimming team at the 2000, 2004, 2008 and 2012 Olympic Games. In May 2022, he officially became United States citizen.
The Maldives competed at the 1992 Summer Olympics in Barcelona, Spain, from 25 July to 9 August 1992. The delegation's participation in the Barcelona Olympics marked the Maldives' second appearance at the Summer Olympics since their debut at the 1988 Summer Olympics in Seoul, South Korea. Seven athletes competed across two sports; Ahmed Shageef, Mohamed Amir, Hussain Riyaz, Hussein Haleem and Aminath Rishtha in track and field, and Ahmed Imthiyaz and Mohamed Rasheed 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.
The Maldives first participated at the Olympic Games in 1988. It has sent athletes to compete in every Summer Olympic Games since, but has not participated in the Winter Olympic Games.
During the 2012 Summer Olympics in London, United Kingdom, Saint Vincent and the Grenadines appeared in their seventh consecutive Summer Olympics. The country sent three competitors to their team with wild card entries. Athlete Kineke Alexander reprised her role as the nation's flag bearer for the second time at the opening ceremony. As Alexander entered her second Olympics, athlete Courtney Carl Williams and swimmer Tolga Akcayli debuted at the 2012 Olympics. For Saint Vincent and the Grenadines, none of the country's competitors advanced past their individual heats. In overall standings, Akcayli had the highest 2012 Olympic finish for Saint Vincent and the Grenadines when he placed 45th in the men's 50 metre freestyle.
Florent Manaudou is a French competitive swimmer, an Olympic champion of the 50-meter freestyle at the 2012 London Olympics, and the younger brother of Laure Manaudou, a 2004 Olympic gold medalist in swimming. He currently holds the world record in the 50-meter backstroke. He competes for the Energy Standard Swim Club in the International Swimming League.
Talita Baqlah is a Jordanian swimmer who has competed in three consecutive Olympic games, in the 2012, 2016 and 2020 Summer Olympics.
Kristian Tsvetanov Gkolomeev is a Greek swimmer. He specializes in sprint freestyle and butterfly events.
Benjamin Proud is an English competitive swimmer, representing Great Britain at the Olympic Games, the FINA World Aquatics Championships and LEN European Aquatics Championships, and England at the Commonwealth Games. Proud specialises in sprint freestyle and butterfly races, specifically the 50-metre distance in both. He is the 2022 World Champion in the 50 metre freestyle, his second long course world title. He is the 2017 world champion in the 50-metre butterfly. He is only the third male swimmer to be simultaneously short-course and long-course World Champion at 50 metre freestyle, after César Cielo and Florent Manaudou.
Abrahame Jacques Bessan is a Beninese professional footballer who plays as a forward for TP Mazembe and the Benin national team.
Abeiku Gyekye Jackson is a Ghanaian swimmer specialising in the 50 metre freestyle. He competed in the 100m freestyle, 50m butterfly, and 100m butterfly at the 2014 Commonwealth Games. He holds Ghanaian national records in 13 disciplines, including freestyle, butterfly, breaststroke and backstroke events over distances from 50 to 400 metres. His older brother Kwesi Abbiw Jackson and younger brother Kow Asafua Jackson are also swimmers.
Gabriel da Silva Santos is a Brazilian swimmer. He competed in the men's 4 × 100 metre freestyle relay event at the 2016 Summer Olympics, finishing 5th.
Odysseus Meladinis is a Greek swimmer. He competed in the men's 50 metre freestyle event and the men's 4 × 100 metre freestyle relay event at the 2016 Summer Olympics. He finished 33rd in the heats for the men's 50 m freestyle competition and did not qualify for the semifinals. The Greek men's 4 × 100 metre freestyle relay team finished 10th in the heats and did not qualify for the final.
Damian Matthias Armin Wierling is a German swimmer. He competed in the men's 50 metre freestyle, 100 metre freestyle, 4 × 100 metre freestyle relay and 4 × 100 metre medley relay events at the 2016 Summer Olympics. At the 2020 Olympic Games, he competed in the 100 metre freestyle, 4 x 100 metre freestyle relay, and 4 x 100 metre medley relay.
Yu Hexin is a Chinese swimmer. He competed in the men's 4 × 100 metre freestyle relay event at the 2016 Summer Olympics. He won the men's 50m freestyle event at the 2018 Asian Games.
Eloi Maniraguha, previously known as Eloi Imaniraguha, is a Rwandan Olympic swimmer. He represented his country as Eloi Imaniraguha at the 2016 Summer Olympics in the Men's 50 metre freestyle event where he ranked at #68 with a time of 26.43 seconds. He did not advance to the semifinals. He also competed as Eloi Maniraguha at the 2020 Summer Olympics in the men's 50 metre freestyle event and at the 2022 Commonwealth Games in the men's 50 metre freestyle and men's 100 metre freestyle events.
Santisouk Inthavong is a Laotian backstroke and freestyle swimmer. He competed in the men's 50 metre freestyle event at the 2016 Summer Olympics, where he ranked 69th with a time of 26.54 seconds, a national record. He did not advance to the semifinals.
Djibouti competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. This was the nation's ninth appearance at the Summer Olympics. Djibouti did not field any athletes at the 2004 Summer Olympics in Athens. The delegation consisted of four athletes, three men and one women, competing in five events across three sports. Two athletes participated in the judo and swimming tournaments: Aden-Alexandre Houssein and Houssein Gaber Ibrahim. Athlete Ayanleh Souleiman, a returning competitor from the 2016 Rio Olympics competed in the men's 800 metres and 1500 metres. Souhra Ali Mohamed, who had previously participated in the 2012 Summer Olympics competed in the women's 1500 metres event. Houssein lead the Djiboutian squad as the flagbearer in the opening ceremony with Souhra being the flagbearer for the closing ceremony.
Nafissath Radji is a Beninese swimmer.
The Marshall Islands competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. It was the nation's fourth appearance at the Summer Olympics since its debut in 2008. The delegation consisted of two athletes, one man and one women, competing in two events in swimming. Swimmer Phillip Kinono competed in the men's 50 metre freestyle. Colleen Furgeson, a returning competitor from the 2016 Rio Olympics competed in the women's 100 metre freestyle. For the first time, in an effort to promote gender equality, two flagbearers, one male and one female were allowed at the Olympics. Furgeson and Kinono lead the Marshall Islands squad as the flagbearers in the opening ceremony. The Marshall Islands, however, has yet to win its first ever Olympic medal.
Marc Pascal Pierre Dansou is a Beninese swimmer. He competed in the men's 50 metre freestyle at the 2020 Summer Olympics.
Benin 
