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 (80 male, 58 female) in 13 events: 7 male events and 6 female events.
The 2020 Summer Olympic and Paralympic Games were postponed to 2021 due to the COVID-19 pandemic. They kept the 2020 name and were held from 24 August to 5 September 2021.
A total of 138 athletes could qualify for judo at the 2021 Summer Paralympics. Each NPC could enter a maximum of 13 athletes, one per event, with the exception of Bipartite invitees. Qualification spots were allocated through one of four methods:
The number of qualification spots per method is as follow:
A total of 136 athletes from 41 entered the paralympic games, according to the following table.