Mongolia competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's tenth appearance at the Olympics, except the 1984 Summer Olympics in Los Angeles, because of its partial support to the Soviet boycott.
The Judo competition at the 1972 Summer Olympics was the return of the sport following its absence at the 1968 Summer Olympics in Mexico City. Medals were awarded in six weight classes, and competition was restricted to men only. Among the highlights was Wim Ruska of the Netherlands winning gold medals in both the heavyweight and open class competition, becoming the first judoka to win two Olympic gold medals.
Judo was first included in the Summer Olympic Games at the 1964 Games in Tokyo, Japan. After not being included in 1968, judo has been an Olympic sport in each Olympiad since then. Only male judoka participated until the 1988 Summer Olympics, when women participated as a demonstration sport. Women judoka were first awarded medals at the 1992 Summer Olympics.
Brazil competed at the 1972 Summer Olympics in Munich, West Germany. 81 competitors, 78 men and 3 women, took part in 44 events in 13 sports. Brazil obtained two bronze medals in 1972. Japanese Brazilian judoka Chiaki Ishii won Brazil's first Olympic medal in judo. Triple jumper Nelson Prudêncio won his second medal in men's triple jump
Movlud Miraliyev is a retired Azerbaijani judoka of Turkish Meskhetian origin.
Israel has competed at the Olympic Games as a nation since 1952. Its National Olympic Committee was formed in 1933, during the British Mandate of Palestine. Israel has sent a team to each Summer Olympic Games since 1952, and to each Winter Olympic Games since 1994. The country became a member of the European Olympic Committees (EOC) in 1994.
Mongolia competed in the 2008 Summer Olympics, held in Beijing, China, from August 8 to August 24, 2008. 29 athletes represented the country and competed in seven events. The Beijing Olympics has been Mongolia's most successful games ever, winning two gold and two silver medals, exceeding the 1980 Moscow Olympics where the nation won two silver and two bronze medals.
Patrick Mitsugi Burris is a retired competitive judoka who represented the United States at the 1972 Summer Olympic Games in Munich and the 1976 Summer Olympic Games in Montreal. He won the bronze medal at the 1975 Pan American Games in Mexico City in the men's lightweight division at 70 kg. Burris is a five time US national senior AAU champion, including an unprecedented four straight championships. He was named 1976 US national Grand Champion – the lightest Grand Champion ever.
Chiaki Ishii (チアキ・イシイ) is a Japanese Brazilian judoka, who won Brazil's first Olympic medal in judo at the 1972 Summer Olympics in Munich, West Germany.
Mongolia competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's twelfth appearance at the Olympics, except the 1984 Summer Olympics in Los Angeles, because of its partial support to the Soviet boycott.
Guinea competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's tenth appearance at the Olympics, excluding the 1972 Summer Olympics in Munich, and the 1976 Summer Olympics in Montreal because of the African boycott.
Tagir Kamaludinovich Khaybulaev is a Russian judoka of Avar descent. He currently represents Samara in international and domestic championships.
Davaadorjiin Tömörkhüleg is a Mongolian judoka who competes in the men's -66 kg category.
Men's Open class competition in judo at the 1972 Summer Olympics in Munich, West Germany was held at Judo and Wrestling Hall. Wim Ruska was the strong favorite to win a second gold medal, having already won gold in the +93 kg weight class. In a surprise Vitali Kuznetsov threw Ruska defeating him using Te Guruma. Kuznetsov ended up winning the pool allowing Ruska to continue in the repechage. Ruska ended up facing Kuznetsov in the finals where he used a different game plan, using yoko-shiho-gatame to win the match. Ruska retired after the Munich Games being the only judoka to win two gold medals in the same Olympics.
Tsend-Ayuushiin Ochirbat is a Mongolian judoka, who competed in the men's middleweight category. He held the 2005 Mongolian senior title in his own division, picked up a total of six medals in his career, including a silver from the 2002 Asian Games in Busan, South Korea, and represented his nation Mongolia in two editions of the Olympic Games.
Bakhvain Buyadaa is a retired Mongolian judoka who competed at the 1972 and 1976 Olympics. He finished second in 1972, but tested positive for Dianabol, an anabolic steroid, and was disqualified, becoming the first Olympic judoka to fail a drug test. He finished in tenth place in 1976.
Tsend-Ochiryn Tsogtbaatar is a Mongolian judoka.
Saeid Mollaei (Persian: سعید ملایی; Mongolian: Саид Моллай;Mollai was born on January 26, 1991 in Tehran. In 2001, at the age of 10, he entered the Persian Gulf Judo School by Dr. Mehrdad Hassanzadeh, a judo instructor. is an Iranian-born Mongolian who is Olympian silver medalist and 2018 world champion. Iranian authorities ordered Mollaei to intentionally lose in the semi-final at the Tokyo 2019 World Championships, so as to avoid a potential match in the finals against Israeli 2019 world champion Sagi Muki. In August 2019, he moved to Europe with a two-year visa from Germany, saying he was afraid to return to Iran after exposing and criticizing its pressure on him to deliberately lose in the World Championships. In December 2019, he became a citizen of Mongolia. He dedicated his 2020 Olympic medal to Mongolia and Mongol People and to Israel.
The Mixed team competition in judo at the 2020 Summer Olympics in Tokyo was held on 31 July 2021 at the Nippon Budokan.
Yondonperenlein Baskhüü is a Mongolian judoka.
