Cook Islands participated in the 2010 Summer Youth Olympics in Singapore.
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.
Tunisia competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's thirteenth appearance at the Olympics, having missed the 1980 Summer Olympics in Moscow because of its partial support for the United States boycott.
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.
Iceland competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. The nation celebrated its centennial anniversary in the Olympics, having participated at every games since 1912, except for four occasions.
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.
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.
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.
Anolyn Lulu is a Ni-Vanuatu table tennis player who competed in 2012 Summer Olympics. She was the flag-bearer for Vanuatu at the opening ceremony of the 2012 Summer Olympics and the 2023 Pacific Games.
Séverine Nébié is a Burkinabé judoka who trains in France. She competed at the 2012 Summer Olympics in the Women -63kg event and lost in the second round. She was also the flag bearer for Burkina Faso at the opening ceremony. She also competes in ju-jitsu in which she won the world championship 2015 in Thailand.
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.
Winston George is a Guyanese sprinter. He competed in the 400 m event at the 2012 Summer Olympics. He was the flag bearer of Guyana during the 2012 Summer Olympics opening ceremony. He was also named Guyana's Male Athlete of the Year in 2011 and 2013 by the Athletics Association of Guyana.
Dominic Dugasse is a Seychellois judoka who competed in the -100 kg event at the 2012 Summer Olympics in London, where he lost in the first round of the event to Henk Grol of the Netherlands. He was the flag bearer for the Seychelles during the 2012 Summer Olympics opening ceremony.
Kineke Alicia Alexander is a Vincentian sprinter who competed in the 400m event at the 2008 Summer Olympics and the 2012 Summer Olympics. She was the flag bearer for Saint Vincent and the Grenadines at the 2008 opening ceremony and the 2012 opening ceremony. She was also the Saint Vincent and the Grenadines flagbearer at the 2014 Commonwealth Games.
Wiam Dislam is a Moroccan taekwondo practitioner. She stands at 180 cm. She competed in the +67 kg event at the 2012 Summer Olympics and was the flag bearer for Morocco during the opening ceremony.
Angola competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's ninth consecutive appearance at the Summer Olympics, with the exception of the 1984 Summer Olympics in Los Angeles, because of its participation in the Soviet boycott.
Iceland competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's official debut in 1912, Icelandic athletes have appeared in every edition of the Summer Olympic Games, except for four occasions as a result of the worldwide Great Depression.
