Lesotho competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. It was the last time the nation competed under a former flag.
Lesotho first participated at the Olympic Games in 1972 and has sent athletes to compete in every Summer Olympic Games since then, except when they boycotted the 1976 Summer Olympics along with most other African nations. Lesotho has never participated in the Winter Olympic Games.
Lesotho competed at the 2010 Summer Youth Olympics, the inaugural Youth Olympic Games, held in Singapore from 14 August to 26 August 2010.
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.
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.
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.
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.
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.
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.
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.
During the closing ceremony of the 2012 Summer Olympics in London, the flag bearers of 205 National Olympic Committees (NOCs) arrived into the main Olympic Stadium. The flags of each country were not necessarily carried by the same flag bearer as in the opening ceremony.
Simon Tsotang Maine is a Basotho long-distance runner who competed in the men's marathon event at the 2008 Summer Olympics. He was the flag bearer of Lesotho during the 2008 Summer Olympics opening ceremony.
During the Parade of Nations section of the 1972 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.
Lesotho competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's eleventh appearance at the Summer Olympics, with the exception of the 1976 Summer Olympics in Montreal, because of its partial support to the African boycott.
Lesotho 
