| Event: | Men's 100 metre butterfly S11 |
| Games: | 2020 Summer |
| Venue: | Tokyo Aquatics Centre |
| Dates: | 3 September 2021 |
| Competitors: | 13 |
| Nations: | 9 |
| Gold: | Keiichi Kimura |
| Goldnpc: | JPN |
| Silver: | Uchu Tomita |
| Silvernpc: | JPN |
| Bronze: | Wendell Belarmino Pereira |
| Bronzenpc: | BRA |
| Prev: | 2016 |
| Next: | 2024 |
The men's 100 metre butterfly S11 event at the 2020 Paralympic Games took place on 3 September 2021, at the Tokyo Aquatics Centre.
The swimmers with the top eight times, regardless of heat, advanced to the final.[1] [2]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 2 | 4 | 1:02.25 | ||||
| 2 | 1 | 4 | 1:03.32 | ||||
| 3 | 2 | 5 | 1:05.64 | ||||
| 4 | 1 | 5 | 1:06.59 | ||||
| 5 | 2 | 6 | 1:06.60 | ||||
| 6 | 1 | 6 | 1:08.71 | ||||
| 7 | 2 | 3 | 1:10.13 | ||||
| 8 | 1 | 3 | 1:10.71 | ||||
| 9 | 1 | 2 | 1:12.19 | ||||
| 10 | 2 | 2 | 1:13.46 | ||||
| 11 | 2 | 7 | 1:14.86 | ||||
| 12 | 2 | 1 | 1:21.25 | ||||
| 13 | 1 | 7 | 1:24.69 |
| Rank | Lane | Name | Nationality | Time | Notes | +100m butterfly final[3] |
|---|---|---|---|---|---|---|
| 4 | 1.02.57 | |||||
| 5 | 1.03.59 | |||||
| 6 | 1.05.20 | |||||
| 4 | 2 | 1.05.67 | ||||
| 5 | 2 | 1.05.97 | ||||
| 6 | 7 | 1.06.85 | ||||
| 7 | 8 | 1.09.16 | ||||
| 8 | 1 | 1.09.23 |