American Samoa sent a team to the 2008 Summer Olympics in Beijing, China. The U.S. territory selected four athletes to compete in three sports: swimming, athletics and judo. The dependency's participation in Beijing marked its seventh participation in any Olympic game since its debut at the 1988 Summer Olympics in Seoul, and its sixth participation at any Summer Olympic games. Of the four American Samoan athletes who participated in Beijing, all four were first-time Olympians and born outside American Samoa and none of the four advanced past the qualification or preliminary rounds of their events. More women participated in the 2008 American Samoan Olympic delegation than in any one delegation in its Olympic history. Judoka Silulu A'etonu was the territory's flagbearer at the ceremonies.
The Solomon Islands send a team to compete at the 2008 Summer Olympics in Beijing, China. The country's delegation consisted of three athletes competing in two sports across three distinct events; Francis Manioru and Pauline Kwalea represented the Solomon Islands in track, while Wendy Hale competed in weightlifting. The arrival of the Solomon Islander delegation in Beijing marked its seventh appearance since its debut at the 1984 Summer Olympics in Los Angeles. The track athletes did not advance past the first rounds in their events. There were no medalists from the Solomon Islander athletes in these Games. Wendy Hale was the Solomon Islands' flagbearer during the Games' opening ceremony.
Indonesia competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from August 8 to August 24, 2008. At the games, twenty-two Indonesians had qualified to compete, while the other three had been granted a wildcard entry.
Grenada competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from 8 to 24 August 2008. Nine athletes represented the country, eight track and field athletes and one boxer. Of the eight track and field competitors, five were women, and three were men. Although none of the athletes would win a medal, runners Allison George and Neisha Bernard-Thomas progressed past the qualification rounds, and participated on behalf of Grenada in the quarterfinals of their events. Grenada's Beijing delegation was their biggest at nine athletes, and marked the seventh consecutive appearance of Grenada at the Olympics.
Puerto Rico competed in the 2008 Summer Olympics which was held in Beijing, People's Republic of China from August 8 to August 24, 2008. The American territory with a population of four million people qualified 22 athletes in eight different sports. The appearance of the Puerto Rican delegation at the Beijing Olympics marked the commonwealth's sixteenth consecutive appearance at the Summer Olympics, and its twenty-second appearance at any Olympic Games, since its debut at the 1948 Summer Olympics in London, England. Of its competitors participating in events that involve progression by heats, six athletes advanced at least one round in their events, and two advanced at least two rounds, with Asunción Ocasio almost medaling bronze in taekwondo. However, there were no Puerto Rican medalists at the Beijing Olympics. McWilliams Arroyo, a boxer, bore Puerto Rico's flag at the ceremonies.
The United States Virgin Islands competed in the 2008 Summer Olympics, which were held in Beijing, the People's Republic of China from August 8 to August 24, 2008. The appearance of its 23-person delegation marked its fifteenth appearance at the Olympic games, and its tenth appearance at the Summer Olympic games. In total, seven athletes participated on behalf of the Virgin Islands in Beijing. Of those, John Jackson and Tabarie Henry progressed to a post-preliminary event, and Henry reached semifinals in his own. There were no Virgin Islander medalists at the Beijing Olympics.
Malta competed at the 2008 Summer Olympics in Beijing, China from 8 to 24 August 2008. The country's participation at Beijing marked its fourteenth appearance at a Summer Olympics since its début at the 1928 Summer Olympics. The delegation sent by the Malta Olympic Committee consisted of six athletes: sprinters Nikolai Portelli and Charlene Attard, light-middleweight judoka Marcon Bezzina, double trap shooter William Chetcuti and short-distance swimmers Ryan Gambin and Madeleine Scerri.
Guyana sent a team to compete at the 2008 Summer Olympics in Beijing, China. Four representatives of Guyana qualified to take part in the Beijing Games–Adam Harris, Marian Burnett, and Aliann Pompey in track, and Niall Roberts in swimming–and Pompey advanced past the first round in her event, progressing to semifinals. Meanwhile, Alika Morgan and Geron Williams (cycling) took part in the Games' Youth Olympics camp, held in Beijing at the same time as the Olympics. Along with coaches and administrative members, Guyana sent a total of ten people to Beijing. The appearance of Guyana's delegation in Beijing marked the fifteenth Guyanese Olympic delegation to appear at an Olympic games, which started with their participation as British Guiana in the 1948 Summer Olympics. There were no medalists from Guyana at the Beijing Olympics. Roberts was Guyana's flagbearer at the ceremonies in Beijing.
Jamaica sent a delegation to compete at the 2008 Summer Olympics, held in Beijing, China from August 8 to August 24, 2008. This was, by far, Jamaica's best showing at the Summer Olympics; it was the nation's largest delegation yet, and its athletes nearly doubled its total gold medal count in addition to breaking the nation's record for number of medals earned in a single games. Jamaica's appearance at Beijing was its fifteenth consecutive appearance and appearance as an independent nation, although it had previously participated in four other games as a British colony and as part of the West Indies Federation. In the 29 events that included Jamaican athletes, there were 26 cases in which a Jamaican athlete or relay progressed to a final round. Usain Bolt won three of Jamaica's six gold medals at Beijing, breaking an Olympic and world record in all three of the events in which he participated. Shelly-Ann Fraser led an unprecedented Jamaican sweep of the medals in the Women's 100 m. Female sprinter Veronica Campbell-Brown carried Jamaica's flag at the ceremonies.
Benin took part in the 2008 Summer Olympics which were held in Beijing, China from 8 to 24 August 2008. The country's participation at Beijing marked its eighth consecutive appearance in the summer Olympics since its debut in 1972, and its ninth Olympic appearance ever. The Benin delegation included five athletes in 2008, participating in three sports: athletics, swimming and taekwondo. Fabienne Feraez, a sprinter, was selected as the flag bearer for the opening ceremony. None of the Benin athletes progressed further than the heat round.
Belize competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from 8 to 24 August 2008. Its participation in Beijing marked its eighth Olympic appearance under the name "Belize" and its tenth overall, as its first two appearances were under the name "British Honduras". The Belizean delegation in 2008 included four athletes: three participated in track and field events and one in taekwondo. Belize did not medal in Beijing, and had not medaled before Beijing, but Jonathan Williams became the first Belizean athlete to advance past the first round of any Olympic event.
Antigua and Barbuda competed at the 2008 Summer Olympics in Beijing, China, submitting a delegation that included athletes Daniel Bailey, Brendan Christian, James Grayman, and Sonia Williams in track and field events, and Kareem Valentine in swimming. Antigua and Barbuda's appearance in Beijing marked its eighth appearance at the Summer Olympics since the nation's debut at the 1976 Summer Olympics in Montréal, Canada. There were no medalists from Antigua and Barbuda in 2008, although Bailey reached the quarterfinals and Christian the semifinals of their respective events.
Equatorial Guinea competed at the 2008 Summer Olympics in Beijing, which was held from 8 to 24 August 2008. The country's participation at Beijing marked its seventh appearance in the Summer Olympics since its début at the 1984 Summer Olympics. The delegation included the sprinter Reginaldo Ndong, middle-distance runner Emilia Mikue Ondo and half-middleweight judoka José Mba Nchama. Ndong and Mikue Ondo qualified for the Games through wildcard places and Mba Nchama entered through his ranking at the 2007 African Judo Championships. Mikue Ondo was chosen as the flag bearer for both the opening and closing ceremonies. Ndong and Mikue Ondo progressed no farther than the first round of their respective events and Mba Nchama was eliminated from contention in the second round of the contest.
Barbados sent a delegation to compete at the 2008 Summer Olympics in Beijing, China. The island nation made its tenth appearance as an independent nation upon its arrival in Beijing. Eight athletes across three sports and ten events represented Barbados, marking the smallest delegation in its history up to the Beijing Games. Its runners and swimmers advanced past the first rounds in their events in four of their nine events, although none advanced to their events' final rounds or medaled. The nation's flagbearer during the Beijing Games was swimmer Bradley Ally.
Saint Vincent and the Grenadines sent a delegation to compete at the 2008 Summer Olympics in Beijing, China. The year's team included two athletes engaged in track and field events, and was accompanied by the team coach, manager, and chaperone. Saint Vincent and the Grenadines' appearance in Beijing marked its sixth consecutive Olympic appearance since its 1988 debut in Seoul, South Korea, and its smallest delegation to date. Alexander bore the flag of Saint Vincent and the Grenadines in the opening ceremony and neither athlete medaled in their events or advanced to later rounds.
Suriname sent a delegation of four people to compete at the 2008 Summer Olympics in Beijing, China: two athletes (Jurgen Themen and Kirsten Nieuwendam and two swimmers who participated in four distinct events. The appearance of Suriname at Beijing marked its tenth Olympic appearance, which included every Olympic games since the 1968 Summer Olympics in Mexico City and excluded the 1980 Summer Olympics in Moscow. Its four athletes did not advance past the first round in each of their events. The Surinamese flag bearer in Beijing was not an athlete, but Anthony Nesty, the only medalist in Surinamese history and the nation's Olympic swimming coach.
Trinidad and Tobago sent a delegation to compete at the 2008 Summer Olympics in Beijing, China. Its participation in the Beijing games marked its eighteenth Olympic appearance and fifteenth Summer Olympic appearance since its debut at the 1948 Summer Olympics in London, excluding its joint participation with Jamaica and Barbados in 1960 as the West Indies Federation. With 28 athletes, more Trinidadians had competed at the Olympics than in any other single Olympic Games in its history before Beijing. Athletes representing Trinidad and Tobago advanced past the preliminary or qualification rounds in twelve events and reached the final rounds in four of those events. Of those four events, silver medals were won in the men's 100 meters and in the men's 4x100 meters relay. The latter was upgraded to gold due to one member of the quartet that crossed the line first, Nesta Carter, testing positive for a banned substance, resulting in their disqualification. The nation's flag bearer at the opening ceremony that year was swimmer and Athens medalist George Bovell.
Chad sent a delegation of two athletes to compete at the 2008 Summer Olympics in Beijing, China: Moumi Sébergué, who competed in the men's 100 meters, and Hinikissia Albertine Ndikert, who competed in the women's 100 meters and also bore the Chadian flag during ceremonies. The appearance of this delegation marked the tenth appearance of Chad at the Summer Olympics, the first been in 1964 Summer Olympics in Tokyo, Japan, and its seventh appearance since its Olympic hiatus between 1976 and 1980. Both Sébergué and Ndikert ranked seventh in their respective heats and did not advance past the qualification round. As of the end of the 2012 London Olympics, there have been no medalists from Chad.
Niger sent five athletes, their second largest contingent ever, equalling the most sports in which they have participated. to compete at the 2008 Summer Olympics in Beijing, China. It was Niger's 10th Olympics; their only medalist has been Issaka Dabore, in boxing, at the 1972 games.
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 events. 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.
