Teddy Pierre-Marie Riner is a French heavyweight judoka. An eleven-time world champion in the heavyweight (+100 kg) division, two-time openweight world champion and one-time world champion with the French men's team, he is the first and only judoka in history to win twelve gold medals at the World Judo Championships. Having won the gold medal in the Men's +100 kg event at the Summer Olympics three times and, as a member of the French team, in the mixed team event twice. Additionally, he is a two-time Olympic bronze medalist, a five-time European champion, a four-time World Masters gold medalist and eleven-time Grand Slam winner in his weight category.
Majlinda Kelmendi is a Kosovan-Albanian former judoka and judo coach.
Estefania Priscila García Mendoza is an Ecuadorian judoka. At the 2012 Summer Olympics she competed in the Women's 63 kg, but was defeated in the second round.
Naohisa Takato is a Japanese judoka.
Ecuador competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's fourteenth appearance at the Summer Olympics since its debut in 1924.
Yeldos Smetov is a Kazakh judoka and Olympic champion in 2024 in the under 60 kg weight category. He won gold medals at the 2014 Asian Games and the 2015 World Judo Championships, a silver medal at the 2016 Olympics, a bronze medal at the 2020 Olympics in Tokyo and a gold medal at the 2024 Olympics in Paris.
Odette Giuffrida is an Italian judoka. She won the gold medal in the women's 52 kg event at the 2024 World Judo Championships held in Abu Dhabi, United Arab Emirates. She competed at the 2023 World Judo Championships, where she placed third in the women's 52 kg.
Adrian Gomboc is a Slovenian judoka. He is a member of the Hungarian community in Slovenia.
Krisztián Tóth is a Hungarian judoka. He won one of the bronze medals in the men's 90 kg event at the 2020 Summer Olympics in Tokyo, Japan.
Maciej Sarnacki is a Polish judoka. In 2021, he competed in the men's +100 kg event at the 2020 Summer Olympics held in Tokyo, Japan.
Faye Njie is a Finnish-born Gambian judoka. He was born in Helsinki, Finland to a Finnish mother and a Gambian father, and has represented both countries.
Victor Scvortov is a Moldovan-born Emirati judoka. He originally represented his birth nation in international events, but he moved to the United Arab Emirates along with two other Moldovan judoka in 2013. He competed at the 2016 Summer Olympics in the men's 73 kg event, in which he was eliminated in the third round by Shohei Ono.
A total of 393, 128 athletes could qualify for judo at the 2020 Summer Olympics. The 2020 Olympics were postponed to 2021 due to the COVID-19 pandemic. Each NOC could enter a maximum of 14 judokas. Host nation Japan has reserved a spot in each of all 14 events, while twenty are made available to NOCs through a Tripartite Commission Invitation.
Para Judo at the 2020 Summer Paralympics in Tokyo took place at the Nippon Budokan from 27 to 29 August 2021. There were 138 qualified slots in 13 events: 7 male events and 6 female events.
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.
The mixed team competition in judo at the 2020 Summer Olympics in Tokyo was held on 31 July 2021 at the Nippon Budokan.
Jorre Verstraeten is a Belgian judoka. He won one of the bronze medals in the men's 60 kg event at the European Judo Championships in 2020 and 2022. He also won one of the bronze medals in the men's 60 kg event at the 2019 European Games held in Minsk, Belarus.
Vanessa Fernanda Chalá Minda is an Ecuadorian judoka. She is a gold medalist at the South American Games and a two-time gold medalist at the Pan American Judo Championships. She is also a bronze medalist at the Pan American Games.
Yang Yung-wei is a Taiwanese Paiwan judoka. He is a Olympic silver medalist in the extra lightweight event. He also won the gold medal in the men's 60 kg event at the 2022 Asian Games held in Hangzhou, People's Republic of China.
Tornike Tsjakadoea is a Dutch-Georgian judoka. He represented the Netherlands at the 2020 Summer Olympics in Tokyo, Japan and competed at the World Judo Championships in 2018, 2019, 2021, 2022 and 2024.
Ecuador 
(2018, 2019, 2021)
