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.
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.
Zambia competed at the 2012 Summer Olympics in London, held from 27 July to 12 August 2012. The country's participation at London marked its twelfth appearance in the Summer Olympics since its début at the 1964 Summer Olympics. The delegation consisted of seven competitors; three track and field athletes Gerald Phiri, Prince Mumba and Chauzje Choosha, one each in Boxing and Judo and two swimmers, Zane Jordan and Jade Ashleigh Howard. Phiri, Mumba, Choombe and Munyonga had qualified by meeting the standards in their respective sports, and Choosha, Jordan and Howard qualified by wildcard places. Mumba was the national flag bearer at the opening and closing ceremonies.
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.
Mauritania 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 debut in the 1984 Summer Olympics. The delegation included two track and field athletes, Jidou El Moctar and Aicha Fall, who were selected to the team by wildcard places, as the nation had no athletes that met either the "A" or "B" qualifying standards. Moctar was selected as flag bearer for the opening ceremony while a LOCOG Games Maker carried it for the closing ceremony. Neither of the two athletes progressed beyond the heats.
Lesotho 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 tenth appearance in the Summer Olympics since its début at the 1972 Summer Olympics. The delegation included three track and field athletes; Tsepo Ramonene, Mosito Lehata and Mamorallo Tjoka, and one swimmer; Masempe Theko. Ramonene and Lehata qualified for the Games by meeting qualification standards, while Tjoka and Theko made the Olympics through wildcard places. Tjoka was selected as the flag bearer for the opening ceremony while Lehata held it at the closing ceremony. Ramonene finished last in the men's marathon and was revived by medical personnel during the event. Lehata did not progress to the semi-finals of the men's 200 metres and Tjoka finished in 90th in the women's marathon. Theko finished 73rd overall in the women's 50 metre freestyle and did not progress to 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.
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.
Nauru 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 fifth appearance in the Summer Olympics since its debut at the 1996 Summer Olympics. The delegation consisted of two participants: Sled Dowabobo in the men's lightweight judo contest and Itte Detenamo in the men's super-heavyweight weightlifting competition. Dowabobo qualified as one of Oceania's highest ranked judo competitors while Detenamo made the Games based on his qualifying performance. Detenamo was the flag bearer for both the opening and closing ceremonies. Dowabobo was eliminated by his opponent Navruz Jurakobilov in the round of 64 and Detemano was 14th in his event.
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.
Adzo Rebecca Kpossi is a Togolese swimmer who specialises in butterfly and freestyle. Kpossi competed in both the 2012 and 2016 Summer Olympics. At both of her Olympics, she competed in the 50 metre freestyle. She has also competed in two World Championships, a World Short Course Championship and an African Games.
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.
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.
Equatorial Guinea competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, which was held from 5 to 21 August 2016. The country's participation at Rio marked its ninth appearance in the Summer Olympics since its début in the 1984 Summer Olympics. The delegation included two track and field athletes, Benjamin Enzema and Reïna-Flor Okori who both qualified for the Games through wildcard places since their fastest times did not meet the required qualification standards, Okori was selected as the flag bearer for the opening and closing ceremonies. Enzema did not advance beyond the qualification round for the men's 800 metres event and Okori was unable to start the women's 100 metre hurdles contest.
