Finland competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. The nation has competed at every Summer Olympic Games since its official debut in 1908. The Finnish Olympic Committee sent a total of 56 athletes to the Games, 29 men and 27 women, to compete in 14 sports. There was only a single competitor in artistic gymnastics, taekwondo, weightlifting and tennis.
Chile competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This nation has competed at every Olympic Games, except the 1932 Summer Olympics in Los Angeles, and the 1980 Summer Olympics in Moscow because of the United States boycott.
Thailand competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's fifteenth appearance at the Olympics, except the 1980 Summer Olympics in Moscow because of its partial support to the United States boycott.
Chinese Taipei competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. "Chinese Taipei" was the designated name used by Taiwan to participate in some international organizations and almost all sporting events, including the Olympic Games. Neither the common name "Taiwan" nor the official name "Republic of China" would be used due primarily to opposition from the People's Republic of China. This was the nation's eighth consecutive appearance at the Olympics.
Greece competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012. The Hellenic Olympic Committee sent a total of 103 athletes to the Games in London, 65 men and 38 women, to compete in 19 sports. Men's water polo was the only team event in which Greece was represented at these Olympic Games.
Panama competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's sixteenth appearance at the Olympics since its debut in 1920. Panama did not compete on four occasions, including the 1980 Summer Olympics in Moscow, because of its partial support of the United States boycott.
Senegal 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.
Malaysia competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's fourteenth appearance at the Olympics, although it had previously competed in two other games under the name Malaya. Malaysia did not participate at the 1980 Summer Olympics in Moscow, because of its partial support to the United States boycott. Ahmad Sarji Abdul Hamid was the Chef de Mission of the national delegation at the Games.
Lebanon competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's sixteenth appearance at the Olympics, except the 1956 Summer Olympics in Melbourne as a response to the Suez Crisis.
Dominican Republic competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fourteenth consecutive appearance at the Summer Olympics.
Gabon 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 Olympics.
Panama competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's seventeenth appearance at the Summer Olympics, since its debut in 1928.
Niger competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation made its debut in 1964, Nigerien athletes had participated in every edition of the Summer Olympic Games, except for two rare occasions, the 1976 Summer Olympics in Montreal, and the 1980 Summer Olympics in Moscow because of the African and the US-led boycotts, respectively.
Mali competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation made its debut in 1964, Malian athletes had appeared in every edition of the Summer Olympic Games, with the exception of the 1976 Summer Olympics in Montreal because of the African boycott.
Tonga competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This is the nation's ninth consecutive appearance at the Summer Olympics.
Papua New Guinea 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.
Haiti competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's sixteenth appearance at the Summer Olympics since its debut in 1900.
The Central African Republic 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. Central African Republic failed to register any athletes at the 1972 Summer Olympics in Munich, and was part of the African and United States-led boycotts in 1976 and 1980, respectively.
Cambodia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The nation's participation marked its sixth consecutive appearance at the Summer Olympics, although it had previously appeared in three editions under the name Kampuchea.
Papua New Guinea competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's tenth consecutive appearance at the Summer Olympics.
