Equatorial Guinea competed at the 2008 Summer Olympics in Beijing, which was held from 8 to 24 August 2008. The country's participation at London 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.
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.
The British Virgin Islands sent a delegation to compete at the 2012 Summer Olympics in London, United Kingdom, which took place between 27 July to 12 August 2012. The country's participation in London marked its eighth appearance at the Summer Olympics since its debut in the 1984 Summer Olympics. The British Virgin Islands delegation included two track and field athletes, 100 meter sprinters J'maal Alexander and Tahesia Harrigan-Scott. Alexander failed to progress through the heats whilst Harrigan-Scott was eliminated in her event's quarterfinals.
Cape Verde competed at the 2012 Summer Olympics which were held in London, United Kingdom from 27 July to 12 August 2012. The country's participation at London marked its fifth appearance in the Summer Olympics since its debut in 1996. The delegation included Ruben Sança, a long-distance runner; Lidiane Lopes, a sprinter; and Adysângela Moniz, a judoka. Moniz and Sança were also selected as the flag bearers for the opening and closing ceremonies respectively. Of the three Cape Verdean athletes, only Moniz progressed further than the first round.
Comoros competed at the 2012 Summer Olympics in London, England, which was held from 27 July to 12 August 2012. The country's participation at London marked its fifth appearance in the Summer Olympics since its début at the 1996 Summer Olympics. The delegation included two track and field athletes: Maoulida Darouèche and Feta Ahamada, and one swimmer, Ayouba Ali Sihame, all three qualified for the Games through wildcard places. Ahamada was selected as the flag bearer for the opening ceremony and Darouèche held it at the closing ceremony. Ahamada won her heat in the preliminary round of the women's 100 metres but was eliminated in the heat stages, while Darouèche and Sihame did not advance beyond the first round of their respective events.
Djibouti competed at the 2012 Summer Olympics in London, from July 27 to August 12, 2012. This was the nation's seventh appearance at the Olympics.
The Gambia competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation at London marked its eighth appearance in the Summer Olympics since its début at the 1984 Summer Olympics. The delegation included two athletes, Suwaibou Sanneh and Saruba Colley, the former had qualified by setting a qualifying time that fell within the required standard and the latter entered via a wildcard place. Sanneh was selected as the flag bearer for both the opening and closing ceremonies. Sanneh became the first Gambian athlete to advance into the semi-finals of the men's 100 metres, while Colley was eliminated after the quarter-final stages of the Women's 100 metres.
Dominica participated in the 2012 Summer Olympics in London from 27 July to 12 August 2012. The country's participation in London marked its fifth appearance in the Summer Olympics since its debut in the 1996 Summer Olympics. The delegation included two athletes: Erison Hurtault and Luan Gabriel, the former qualified for the Games by meeting qualification standards while the latter entered the quadrennial event through a wildcard place. Hurtault was selected as the flag bearer for the opening ceremony while Gabriel carried the flag at the closing ceremony. Neither athlete progressed farther than the first round of their respective events.
Sierra Leone competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This marked the nation's tenth appearance at the Summer Olympics since its debut in the 1968 Summer Olympics. The Sierra Leone delegation included two track and field athletes; Ibrahim Turay, a sprinter and Ola Sesay, a long jumper. Sesay and Turay were selected as flag bearers for the opening and closing ceremonies respectively. Neither of the two athletes progressed beyond the first round.
Tonga participated in the 2012 Summer Olympics in London, United Kingdom, which were held from 27 July to 12 August 2012. The country's participation in London marked its eighth appearance in the Summer Olympics since its debut at the 1984 Summer Olympics. The delegation included three competitors: two in athletics, Joseph Andy Lui and ʻAna Poʻuhila, along with one short distance swimmer Amini Fonua. The latter entry was Tonga's first appearance in Olympic swimming competition. Lui and Fonua qualified through wildcard places while Po'uhila made the games by meeting qualification standards. Fonua was selected as the flag bearer for the opening ceremony while Lui held it at the closing ceremony. Lui and Fonua failed to progress farther than the preliminary round of their respective events while Po'uhila finished 29th in the heat stage of the women's shot put contest.
Malawi competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation at London marked its ninth appearance in the Summer Olympics since its début at the 1972 Summer Olympics. The delegation included two track and field athletes; Mike Tebulo and Ambwene Simukonda, and one swimmer; Joyce Tafatatha. Tebulo and Simukonda qualified through wildcard places for their respective events. Tebulo was selected as the flag bearer for the opening and closing ceremonies. Tebulo finished 44th in the men's marathon, while Simukonda did not advance beyond the first round of the women's 400 metres. Tafatatha won her heat in the women's 50 metre freestyle but her time was not fast enough to allow her to progress into the semi-finals of the event.
The African island country of Seychelles competed at the 2012 Summer Olympics in London, United Kingdom, held from 27 July to 12 August 2012. This was the nation's eighth appearance at the Olympics, except the 1988 Summer Olympics in Seoul because of its partial support to the North Korean boycott.
Swaziland competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation at London marked its ninth appearance in the Summer Olympics since its debut at the 1972 Summer Olympics. The delegation included two track and field athletes: Sibusiso Matsenjwa and Phumlile Ndzinisa, and one swimmer, Luke Hall; the first two competitors qualified for the Games through wildcard places while Hall was awarded a universality place by FINA. Hall was selected as the flag bearer for the opening ceremony and Matensjwa held it for the closing ceremony. All three competitors did not advance further than the heat stages of their respective events.
Belize competed at the 2012 Summer Olympics in London, which were held from 27 July to 12 August 2012. The country's participation in London was its eleventh appearance in the Summer Olympics since its debut at the 1968 Summer Olympics. The delegation included two short-distance runners and one judoka: Kenneth Medwood, Kaina Martinez and Eddermys Sanchez. Medwood qualified by recording a time that met qualification standards while the latter two entered through wildcard places. Medwood was selected as the flag bearer for both the opening and closing ceremonies. Medwood reached the semifinals of the men's 400 metres hurdles before he was eliminated from competition while Martinez did not progress farther than the quarterfinal stage of the women's 100 metres. Sanchez was defeated by his opponent Miklós Ungvári of Hungary in a 19-second match in the Round of 32 of the men's half-lightweight judo competition.
Bhutan competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This marked the nation's eighth appearance at the Summer Olympics since its debut in the 1984 Summer Olympics, and the first in which the nation competed in a sport other than archery. The Bhutanese delegation included archer Sherab Zam and shooter Kunzang Choden. Zam was the flag bearer for both the opening and closing ceremonies. Neither of Bhutan's athletes progressed beyond the first round of their events. Bhutan was one of only two countries to have a female-only team at the 2012 Games.
Carine Ngarlemdana is a Chadian judoka. She competed at the 2012 Summer Olympics in the Women's -70 kg event. She was the flag bearer for Chad at the opening ceremony.
Costa Rica competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fifteenth appearance at the Summer Olympics, since its debut in 1936.
Djibouti competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The nation's participation marked its eighth appearance at the Summer Olympics. Djibouti did not field any athletes at the 2004 Summer Olympics in Athens.
Ghana competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fourteenth appearance at the Summer Olympics, having taken part in all but three editions since its debut at the 1952 Summer Olympics. Ghana did not attend the 1976 Olympics because of the African boycott and did not attend the 1980 Olympics because of the United States boycott.
The Refugee Olympic Team competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016, as independent Olympic participants. In March 2016, the International Olympic Committee (IOC) President Thomas Bach declared that the IOC would choose five to ten refugees to compete at the Rio Olympics, in the context of the "worldwide refugee crisis", of which the European migrant crisis is a prominent part. Additionally, as part of an effort "to show solidarity with the world's refugees", the United Nations Refugee Agency selected Ibrahim Al-Hussein, a Syrian refugee residing in Athens, Greece, to carry the Olympic flame through the Eleonas refugee and migrant camp in the city as part of the 2016 torch relay.
