The Democratic Republic of the Congo competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. This was the nation's ninth appearance at the Olympics since its debut in 1968, although four of its appearances were under the name "Zaire", and the first appearance was under the name "Congo Kinshasa".
Chad competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. This marked the nation's eleventh appearance at the Summer Olympics since its debut in the 1964 Summer Olympics. The Chadian delegation included track and field athlete Hinikissia Ndikert and judoka Carine Ngarlemdana. Ngarlemdana was the flag bearer for the opening ceremony and Ndikert was the flag bearer for the closing ceremony. Neither of Chad's athletes progressed beyond the first round of their events. Chad was one of only two countries to have a female-only team at the 2012 games.
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.
Congo competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. This was the nation's eleventh appearance at the Olympics, excluding the 1968 Summer Olympics in Mexico City, and the 1976 Summer Olympics in Montreal because of the African boycott.
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.
During the Parade of Nations portion of the 2004 Summer Olympics opening ceremony, athletes from each country participating in the Olympics paraded in the arena, preceded by their flag. The flag was borne by a sportsperson from that country chosen either by the National Olympic Committee or by the athletes themselves to represent their country.
Tonga participated in the 2012 Summer Paralympics in London, United Kingdom, from August 29 to September 9, 2012. Their participation marked their fourth consecutive Summer Paralympics appearance since their début at the 2000 Summer Paralympics in Sydney. Tonga was represented by the Tonga National Paralympic Committee, and was one of the 45 participating countries that sent only a single athlete. Tonga has always sent only a single athlete from Sydney 2000 to London 2012. Tonga National Paralympic Committee sent a delegation of three people, including one athlete. The sole athlete to represent the nation was ʻAloʻalo Liku, who participated in javelin and discus throw. Liku was the country's flag-bearer during the Games' opening ceremony. Tonga did not win a medal at these Games, however Liku finished with seasonal bests in both the events.
Vanuatu is participating in the 2012 Summer Paralympics in London, United Kingdom, from August 29 to September 9, 2012. The country initially hoped to send athletes to compete in wheelchair tennis and track and field. Ultimately, however, its delegation was to consist in only one athlete, Marcel Houssimoli, in three sprinting events. He was the country's flag-bearer during the Games' opening ceremony.
At the 2012 Summer Olympics Parade of Nations of the 2012 London Olympics, athletes and officials from each participating country paraded into the Olympic Stadium preceded by their national flag to the sound of iconic British modern music. Each flag bearer was chosen by each nation's National Olympic Committee or by the delegation of athletes.
The Oceanic island nation of Kiribati competed at the 2012 Summer Olympics in London, held from July 27 – August 12, 2012. This was the nation's third appearance at the Olympics.
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.
Juan Ignacio Maegli Agüero is a Guatemalan sailor who competed at the 2008 and 2012 Summer Olympics in the Laser class event where he finished 33rd and 9th respectively. He was the flag bearer for Guatemala during the 2012 Olympic opening ceremony.
During the Parade of Nations portion of the 1992 Summer Olympics opening ceremony, athletes from each country participating in the Olympics paraded in the arena, preceded by their flag. The flag was borne by a sportsperson from that country chosen either by the National Olympic Committee or by the athletes themselves to represent their country.
During the Parade of Nations portion of the 1996 Summer Olympics opening ceremony, athletes from each country participating in the Olympics paraded in the arena, preceded by their flag. The flag was borne by a sportsperson from that country chosen either by the National Olympic Committee or by the athletes themselves to represent their country.
Congo, officially Republic of the Congo, competed at the 2016 Summer Olympics in Rio de Janeiro, from August 5 to 21, 2016. This was the nation's twelfth appearance at the Summer Olympics, since its debut in 1964. Congolese athletes did not attend the 1968 Summer Olympics in Mexico City, and the 1976 Summer Olympics in Montreal because of the African boycott.
The Democratic Republic of the Congo competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's tenth appearance at the Summer Olympics since its debut in 1968, although it had previously competed in four editions under the name Zaire.
Democratic Republic of the Congo 
