Japan at the 2020 Summer Paralympics
Japan competed as the host nation of the 2020 Summer Paralympics in their capital Tokyo from 24 August to 5 September 2021.
Medalists
Competitors
The following is the list of number of competitors participating in the Games:| Sport | Men | Women | Total |
| Archery | 3 | 3 | 6 |
| Athletics | 26 | 20 | 46 |
| Badminton | 5 | 8 | 13 |
| Boccia | 7 | 3 | 10 |
| Canoeing | 3 | 3 | 6 |
| Cycling | 4 | 4 | 8 |
| Equestrian | 4 | 0 | 4 |
| Football 5-a-side | 10 | 0 | 10 |
| Goalball | 6 | 6 | 12 |
| Judo | 7 | 6 | 13 |
| Powerlifting | 3 | 1 | 4 |
| Rowing | 3 | 3 | 6 |
| Shooting | 2 | 1 | 3 |
| Sitting volleyball | 12 | 9 | 21 |
| Swimming | 14 | 13 | 27 |
| Table tennis | 7 | 4 | 11 |
| Taekwondo | 2 | 1 | 3 |
| Triathlon | 3 | 4 | 7 |
| Wheelchair basketball | 12 | 12 | 24 |
| Wheelchair fencing | 3 | 3 | 6 |
| Wheelchair rugby | 11 | 1 | 12 |
| Wheelchair tennis | 6 | 4 | 10 |
| Total | 153 | 109 | 262 |
Archery
Japan fielded nine archers at the Games, as the host nation is automatically entitled to use the individual quota places.;Men's individual
;Women's individual
;Mixed team
Athletics
Japan have secured three quotas in athletics after being in the top four of the 2019 World Para Athletics Marathon Championships and twelve more automatic qualification slots at the 2019 World Para Athletics Championships.;Men's road & track
;Men's field
;Women's road & track
;Women's field
Badminton
;Men;Women
- Nipada Saensupa from Thailand retired during the match between Ma Huihui from China, though the result doesn't count.
Cycling
Road
;Men| Athlete | Event | Result | Rank |
| Masaki Fujita | Road time trial C3 | 36:47.63 | 7 |
| Masaki Fujita | Road race C1-3 | 2:11:06 | 7 |
| Shota Kawamoto | Road time trial C2 | 39:08.26 | 9 |
| Shota Kawamoto | Road race C1-3 | 2:28:51 | 28 |
;Women
| Athlete | Event | Result | Rank |
| Miho Fujii | Road time trial C1-3 | 33:09.02 | 15 |
| Miho Fujii | Road race C1-3 | 1:37:24 | 15 |
| Keiko Sugiura | Road time trial C1-3 | 25:55.76 | |
| Keiko Sugiura | Road race C1-3 | 1:12:55 |
Track
;Men;Women
Equestrian
| Athlete | Horse | Event | Result | Rank |
| Sho Iniba | Exclusive | Individual test grade III | 67.529 | 15 |
| Mitsuhide Miyaji | Charmander | Individual test grade II | 66.824 | 7 |
| Mitsuhide Miyaji | Charmander | Individual freestyle test grade II | 67.434 | 8 |
| Katsuji Takashima | Huzette | Individual test grade IV | 65.951 | 14 |
| Sochie Yoshigoe | Hashtag | Individual test grade II | 63.823 | 10 |
| Mitsuhide Miyaji Sho Iniba Katsuji Takashima | See above | Team test | 198.378 | 15 |
Football 5-a-side
;Roster;Group stage
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----
;Fifth place match
Goalball
Under goalball rules, as the host nation, Japan gets one of the ten slots for the men's, and [Japan Japan women's national goalball team|women's national goalball team|women's], competitions. There are up to six athletes on the court at a time; three athletes per team are allowed on the court at one time.Men
;Group stage----
----
----
;Quarter-final
Women
;Group stage----
----
----
;Quarterfinal
;Semi-final
;Bronze medal match
Judo
;Men;Women
Paracanoeing
;Men;Women
Paratriathlon
| Athlete | Event | Swim | Trans 1 | Bike | Trans 2 | Run | Total Time | Rank |
| Hideki Uda | Men's PTS4 | 12:52 | 1:11 | 30:30 | 0:52 | 18:20 | 1:03:45 | |
| Satoru Yoneoka Guide: Kohei Tsubaki | Men's PTVI | 11:49 | 1:22 | 29:34 | 0:54 | 18:40 | 1:02:20 | |
| Jumpei Kimura | Men's PTWC | 12:04 | 1:24 | 36:12 | 1:02 | 14:08 | 1:04:50 | 7 |
| Wakako Tsuchida | Women's PTWC | 15:48 | 1:45 | 42:03 | 1:14 | 17:38 | 1:22:32 | 9 |
| Yukako Hata | Women's PTS2 | 11:55 | 2:16 | 41:30 | 1:53 | 30:23 | 1:28:04 | 6 |
| Mami Tani | Women's PTS5 | 13:06 | 1:41 | 39:19 | 1:24 | 26:53 | 1:22:23 | 10 |
| Atsuko Maruo Guide: Hideki Kikuchi | Women's PTVI | 14:01 | 1:28 | 34:29 | 1:02 | 26:07 | 1:20:59 | 11 |
Powerlifting
| Athlete | Event | Total lifted | Rank |
| Hiroshi Miura | Men's -49 kg | 127 | 9 |
| Tomihiro Kose | Men's -59 kg | 145 | 10 |
| Hajime Ujiro | Men's -72 kg | 162 | 6 |
| Chika Sakamoto | Women's -79 kg | 80 | 8 |
Rowing
Japan qualified two boats in the women's single sculls and mixed coxed four events for the games. Women's single sculls crews qualified by winning the gold medal at the 2021 FISA Asian & Oceanian Qualification Regatta in Tokyo, while mixed coxed four received the bipartite commission invitation allocation quotas.Qualification Legend: FA=Final A ; FB=Final B ; R=Repechage
Shooting
;MixedSwimming
Five Japanese swimmers have qualified to compete in swimming at the 2020 Summer Paralympics via the 2019 World Para Swimming Championships slot allocation method.;Men
;Women
Table tennis
Japan as host nation, entered five athletes into the table tennis competition at the games. Takashi Asano qualified from 2019 ITTF Asian Para Championships which was held in Taichung, Taiwan and four others via World Ranking allocation.;Men
;Women
Taekwondo
Japan as the host nation qualified three athletes to compete in three events at the Paralympics competition.Sitting volleyball
The women's sitting volleyball team finished in 10th place at the 2018 World ParaVolley Championships in the Netherlands but they hope to improve their volleyball skills before the home games.;Summary
Men's tournament
;Group play----
----
;Seventh place match
Women's tournament
;Group play----
----
;Seventh place match
Wheelchair basketball
Men's tournament
;Roster;Group stage
----
----
----
;Quarter-final
;Semi-final
;Gold medal match
Women's tournament
;Roster;Group stage
----
----
----
;Quarter-final
;5th–6th classification playoff
Wheelchair rugby
Japan national wheelchair rugby team qualified for the Games automatically as the host nation quotas.;Team roster
- Team event – 1 team of 12 player
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----
;Semi final
;Bronze medal match