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.
Sardor Nurillaev is an Uzbekistani judoka. He won the gold medal in the men's 66 kg event at the 2021 Asian-Pacific Judo Championships held in Bishkek, Kyrgyzstan.
Manuel Lombardo is an Italian judoka. He is a two-time silver medalist at the World Judo Championships. He is also a gold medalist at both the Mediterranean Games and the European Judo Championships. Lombardo represented Italy at the 2020 Summer Olympics in Tokyo, Japan and the 2024 Summer Olympics in Paris, France.
Tulika Maan is an Indian judoka. She competes in the +78 kg weight class and won the silver medal at the 2022 Commonwealth Games.
Kyrgyzstan participated at the 2022 Asian Games in Hangzhou, China. The event was originally scheduled from 10 to 25 September 2022. However, due to COVID-19 pandemic cases rising in China the event was postponed and rescheduled to September–October 2023.
The women's 48 kilograms competition in Judo at the 2022 Asian Games in Hangzhou was held on 24 September 2023 at the Xiaoshan Linpu Gymnasium.
The men's 60 kilograms competition in Judo at the 2022 Asian Games in Hangzhou was held on 24 September 2023 at the Xiaoshan Linpu Gymnasium.
The men's 73 kilograms (lightweight) competition in Judo at the 2022 Asian Games in Hangzhou was held on 24 September 2023 at the Xiaoshan Linpu Gymnasium.
The men's 81 kilograms competition in Judo at the 2022 Asian Games in Hangzhou was held on 25 September 2023 at the Xiaoshan Linpu Gymnasium.
The men's 90 kilograms (middleweight) competition in Judo at the 2022 Asian Games in Hangzhou was held on 26 September 2023 at the Xiaoshan Linpu Gymnasium.
The men's 100 kilograms competition in Judo at the 2022 Asian Games in Hangzhou was held on 26 September 2023 at the Xiaoshan Linpu Gymnasium.
The men's +100 kilograms (heavyweight) competition in Judo at the 2022 Asian Games in Hangzhou was held on 26 September 2023 at the Xiaoshan Linpu Gymnasium.
The women's 52 kilograms competition in Judo at the 2022 Asian Games in Hangzhou was held on 24 September 2023 at the Xiaoshan Linpu Gymnasium.
The women's 57 kilograms competition in Judo at the 2022 Asian Games in Hangzhou was held on 25 September 2023 at the Xiaoshan Linpu Gymnasium.
The women's 63 kilograms competition in Judo at the 2022 Asian Games in Hangzhou was held on 25 September 2023 at the Xiaoshan Linpu Gymnasium.
The women's 70 kilograms competition in Judo at the 2022 Asian Games in Hangzhou was held on 25 September 2023 at the Xiaoshan Linpu Gymnasium.
The women's 78 kilograms competition in Judo at the 2022 Asian Games in Hangzhou was held on 26 September 2023 at the Xiaoshan Linpu Gymnasium.
The women's +78 kilograms competition in Judo at the 2022 Asian Games in Hangzhou was held on 26 September 2023 at the Xiaoshan Linpu Gymnasium.
Esmigul Kuyulova is a Kazakh judoka. She was a bronze medalist at the 2022 Asian Games and selected for the 2024 Summer Olympics.
