Judo at the 2004 Summer Olympics took place in the Ano Liossia Olympic Hall and featured 368 judoka competing for 14 gold medals with seven different weight categories in both the men's and women's competitions. Japan dominated the event by taking 8 gold and 2 silver medals.
Cuba competed in the 2008 Summer Olympics in Beijing, People's Republic of China. As of 8 August 2008, 165 Cuban athletes had qualified to compete in 16 sports. The country's flagbearer at the opening ceremony was wrestler Mijaín López.
Venezuela competed in the 2008 Summer Olympics which was held in Beijing, People's Republic of China from August 8 to August 24, 2008.
Andrej Martin is a Slovak professional tennis player. He achieved his career-high ATP singles ranking of world No. 93 in February 2020 and a doubles ranking of world No. 69 on 11 July 2016.
Devendro Singh Laishram, also known as Devendro Singh or Devendro Laishram, is an Indian boxer from Imphal West district, Manipur who competes in the light-flyweight division. Devendro represented India at the 2012 Summer Olympics and lost out in the quarter-finals in a tough bout against the eventual bronze medalist Irish boxer Paddy Barnes. Devendro qualified for the Olympics after reaching the quarter-finals of the 2011 World Amateur Boxing Championships in Baku. In 2013 Devendro won the silver medal at the Asian Confederation Boxing Championship. In August 2014 he won the silver medal at the 2014 Commonwealth Games. He competed against Paddy Barnes, who was representing Northern Ireland and settled for a Silver medal.
The boxing tournaments at the 2016 Summer Olympics in Rio de Janeiro took place from 6 to 21 August 2016 at the Pavilion 6 of Riocentro. However, boxing at the games was overshadowed with controversy after there were doubts raised that results in certain bouts had been manipulated. These concerns were upheld in a report published in 2021.
Belarus competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's sixth consecutive appearance at the Summer Olympics in the post-Soviet era.
Turkey competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's debut in 1908, Turkish athletes have appeared in every edition of the Summer Olympic Games, except for three occasions. Turkey failed to register any athletes at the 1920 Summer Olympics in Antwerp, did not attend the 1932 Summer Olympics in Los Angeles at the period of worldwide Great Depression, and also joined the United States-led boycott, when Moscow hosted the 1980 Summer Olympics. The Turkish team consisted of 103 athletes, 55 men and 48 women, across twenty-one sports.
Bulgaria competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Bulgaria made their official debut at the 1896 Summer Olympics in Athens. Bulgarian athletes had appeared in every edition of the Summer Olympics since 1924, except for three occasions: the 1948 Summer Olympics in London, and the 1932 and 1984 Summer Olympics in Los Angeles because of Bulgaria's actions in World War II, the worldwide Great Depression and the Soviet boycott, respectively.
Chinese Taipei competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. "Chinese Taipei" is 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 also the region's ninth consecutive appearance at the Summer Olympics.
Cuba competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's twentieth appearance at the Summer Olympics. The Cuban team consisted of 124 athletes, 89 men and 35 women, across eighteen sports.
Kazakhstan competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's sixth consecutive appearance at the Summer Olympics in the post-Soviet era. The National Olympic Committee of the Republic of Kazakhstan fielded a roster of 104 athletes, 55 men and 49 women, to compete across seventeen different sports at these Games, the smallest Summer Olympic team since the nation's debut in Atlanta 1996. Moreover, Kazakhstan did not send teams in any of the team sports for the first time in twenty years. Track and field accounted for the largest number of athletes on the Kazakh squad, with 25 entries. There was a single competitor each in slalom canoeing, track cycling, fencing, and table tennis.
Qualification for the boxing events at the 2016 Summer Olympics is based on the APB and WSB World Rankings, APB and WSB World and Olympic Qualifier, the 2015 World Championships, and the 2016 World Olympic Qualifying Tournament. For the women's events, qualification is based only on the 2016 Women's World Championships. For both men and women, each boxer is selected to compete for the Games through the four Continental Olympic Qualifying Tournaments to be held in 2016.
Qatar 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.
Mongolia 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, Mongolian athletes had appeared in every edition of the Summer Olympic Games, with the exception of the 1984 Summer Olympics in Los Angeles, because of its partial support to the Soviet boycott.
Azerbaijan competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's sixth consecutive appearance at the Summer Olympics in the post-Soviet era.
Morocco competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fourteenth appearance at the Summer Olympics.
Algeria competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's debut in 1964, Algerian athletes had appeared in every edition of the Summer Olympic Games, but did not attend the 1976 Summer Olympics in Montreal, Quebec, Canada, because of the African boycott.
Uzbekistan competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's sixth consecutive appearance at the Summer Olympics in the post-Soviet era.
Nadine Apetz is a German amateur boxer. She won bronze medals at the World Championships in 2016 and 2018, and gold at the 2017 EU Championships. In 2021, she became the first German woman to qualify for a boxing event at the Summer Olympic Games.
Azerbaijan 
Ireland 
Great Britain 
Netherlands 
Bulgaria 
France 
Italy 
Poland 
Ukraine 
United States 
Mongolia 
Ecuador 
Germany 
Haiti 
Hungary 
Spain 
Tajikistan 
Turkmenistan 
India 
Belarus 
China 
Chinese Taipei 
Cuba 
Iraq 
Japan 
Mexico 
Moldova 
Morocco 
Russia 
Turkey 
