Judo was a sport at the 2020 Summer Olympics in Tokyo, and featured around 393 judoka competing in 15 events, seven each for both men and women as well as a new mixed team event. The 2020 Summer Olympics were postponed due to the COVID-19 pandemic, and the judo competitions were held in July 2021 at Nippon Budokan.
This article details the qualifying phase for judo at the 2016 Summer Olympics. The competition at these Games will comprise a total of 386 athletes coming from their respective NOCs; each has been allowed to enter a maximum of 14. Host nation Brazil has reserved a spot in each of all 14 events, while twenty are made available to NOCs through a Tripartite Commission Invitation.
Slovenia 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. This was the nation's eighth consecutive appearance at the Summer Olympics as an independent nation. Slovenian athletes won five medals, including three gold, won by canoeist Benjamin Savšek, road racing cyclist Primož Roglič, and sport climber Janja Garnbret. Three gold medals is an all-time record for Slovenia at the Summer Olympics, having previously won two gold in 2000. The Olympics saw the debut of the men's basketball team who finished fourth in the tournament.
Poland 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. Since the nation's official debut in 1924, Polish athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1984 Summer Olympics in Los Angeles, because of the Soviet boycott.
Uzbekistan 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, due to the COVID-19 pandemic. It was the nation's seventh consecutive appearance at the Summer Olympics in the post-Soviet era.
India competed at the 2020 Summer Olympics in Tokyo, Japan. Originally scheduled to take place in July–August 2020, the games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. The Games marked the nation's 25th appearance at the Summer Olympics after having made its official debut at the 1900 Summer Olympics.
Taiwan competed under the designated name "Chinese Taipei" 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, due to the COVID-19 pandemic. It was also the nation's tenth consecutive appearance at the Summer Olympics.
Mexico 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 twenty-fourth appearance at the Summer Olympics. Athletes were given priority for vaccines in March.
Cuba 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. The Cuban delegation was their smallest since 1964, which coincidentally was also in Tokyo. It was the nation's twenty-first appearance at the Summer Olympics. Cuba improved on its 2016 result, by winning 7 gold and 15 total medals after 5 and 11 in Rio.
Algeria competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place in the summer of 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. Since the nation's debut in 1964, Algerian athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1976 Summer Olympics in Montreal because of the African boycott. Unlike Algeria's previous successes in the Summer Olympics, they failed to secure a single medal.
Mongolia 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. Since the nation's debut in 1964, Mongolian athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1984 Summer Olympics in Los Angeles, because of its support of the Soviet boycott.
Romania 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. Since the nation's participation started in 1900, Romanian athletes have appeared in every edition of the Summer Olympic Games, except for two occasions: the 1932 Summer Olympics in Los Angeles at the period of the worldwide Great Depression, and the 1948 Summer Olympics in London.
Ecuador 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 fifteenth appearance at the Summer Olympics, and its most successful to date. The country won its third, fourth, and fifth ever medals, two golds and one silver, respectively, during the games.
Trinidad and Tobago 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, due to the COVID-19 pandemic. It was the nation's eighteenth appearance at the Summer Olympics, although it previously competed in four other editions as a British colony, and as part of the West Indies Federation.
Tunisia 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, due to the COVID-19 pandemic. Since the nation's official debut in 1960, Tunisian athletes have appeared in every edition of the Summer Olympic Games, except the 1980 Summer Olympics in Moscow because of the nation's partial support for the US-led boycott.
Mozambique 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.
Panama 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, due to the COVID-19 pandemic. It was the nation's eighteenth appearance at the Summer Olympics, since its debut in 1928.
Jordan competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place during the summer of 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's 11th consecutive appearance at the Summer Olympics.
The Democratic Republic of the Congo 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 eleventh consecutive appearance at the Summer Olympics, although it had previously competed in four editions under the name Zaire.
Judo competitions at the 2024 Summer Olympics in Paris took place from 27 July to 3 August at Grand Palais Éphémère in Champ de Mars. The number of judokas competing across fourteen weight categories at these Games has been reduced from 393 in Tokyo 2020 to 372, with an equal distribution between men and women.
