South Africa competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's ninth consecutive appearance at the Games in the post-apartheid era and twenty-first overall in Summer Olympic history. South Africa won six medals, good for 44th overall in the standings.
Australia competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Australian athletes have appeared in every Summer Olympic Games of the modern era, alongside France, Great Britain, Greece, and Switzerland. As Brisbane will stage the 2032 Summer Olympics, Australia and the United States, the next nation to host the 2028 Summer Olympics in Los Angeles, marched before the homebound French team entering the Place du Trocadéro during the parade of nations segment of the opening ceremony.
Greece competed at the 2024 Summer Olympics in Paris, from 26 July to 11 August 2024, with a team of 101 athletes in 17 sports. Greek athletes have appeared in every Summer Olympic Games of the modern era, alongside Australia, France, Great Britain, and Switzerland. As the progenitor nation of the Olympic Games and in keeping with the tradition, Greece entered first at Place du Trocadéro during the parade of nations segment of the opening ceremony.
Colombia competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's twenty-first appearance at the Summer Olympics except for Helsinki 1952.
Israel competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. This was the nation's 18th appearance at the Summer Olympics. Since Israel's debut in 1952, Israeli athletes have appeared in every edition of the Summer Olympic Games, other than the 1980 Summer Olympics in Moscow, which it opted not to attend in accordance with the US-led boycott. It was Israel's most successful Olympic Games by number of medals.
The Czech Republic, officially named Czechia by the IOC, competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Czech athletes have appeared in every edition of the Summer Olympic Games, except for three occasions: Athens 1896, St. Louis 1904 and Los Angeles 1984 as part of the Soviet boycott. It is the nation's eighth consecutive appearance at the Summer Olympics after splitting from the former Czechoslovakia.
Switzerland competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Swiss athletes have appeared in every Summer Olympic Games edition of the modern era, except for a partial boycott of Melbourne 1956 in protest of the Soviet invasion of Hungary.
Bulgaria competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Bulgarian athletes have appeared in every edition of the Summer Olympics from 1924 onwards, except for three occasions: the 1948 Summer Olympics in London because of the nation's instigation in World War II, and the 1932 and 1984 Summer Olympics in Los Angeles because of the worldwide Great Depression and Soviet boycott, respectively.
Mexico competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's twenty-fifth appearance at the Summer Olympics.
Slovakia competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eighth consecutive appearance at the Summer Olympics after gaining its independence from the former Czechoslovakia.
Belgium competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the country's debut in 1900, Belgian athletes have appeared in every edition of the Summer Olympic Games except for the 1904 edition.
Ukraine competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eighth consecutive appearance at the Summer Olympics in the post-Soviet era and the first since the Russian invasion of Ukraine. A total of 140 athletes competed amid the Russian invasion, the lowest number in the history of Ukraine's participation in the games.
The People's Republic of China competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's twelfth appearance at the Summer Olympics since its debut in 1952. However, China did not participate in the next seven games: 1956; the nation was absent in 1960 and 1964 over a dispute with Taiwan; 1968; 1972 due to issues with GANEFO; 1976 due to Republic of China boycott; and 1980, joining the US led boycott. The nation has participated in every Olympics since the 1984 Summer Olympics.
South Korea, officially the Republic of Korea, competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's nineteenth appearance at the Summer Olympics.
Austria competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's twenty-ninth appearance at the Summer Olympics, except for Antwerp 1920, due to the nation's role in World War I.
Portugal competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the 26th consecutive participation of the nation in the Summer Olympic Games since their debut at the 1912 Summer Olympics in Stockholm.
Slovenia competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's ninth consecutive appearance at the Summer Olympics as an independent nation.
Kazakhstan competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eighth consecutive appearance at the Summer Olympics in the post-Soviet era.
Algeria competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's official debut in 1964, Algerian athletes have competed in every edition of the Summer Olympic Games, except Montreal 1976, as part of the Congolese-led boycott.
Cyprus competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's twelfth consecutive appearance at the Summer Olympics.
