Swimming at the 2020 Summer Paralympics – Men's 100 metre butterfly S10
# Swimming at the 2020 Summer Paralympics – Men's 100 metre butterfly S10

The men's 100 metre butterfly S10 event at the 2020 Paralympic Games took place on 31 August 2021, at the Tokyo Aquatics Centre.

## Heats

The swimmers with the top eight times, regardless of heat, advanced to the final.

| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - | - |
| 1 | 2 | 4 | Maksym Krypak | Ukraine | 57.74 | Q |
| 2 | 1 | 4 | Stefano Raimondi | Italy | 58.19 | Q |
| 3 | 2 | 5 | Col Pearse | Australia | 58.23 | Q, OC |
| 4 | 1 | 5 | Dmitry Grigoryev | RPC | 58.43 | Q |
| 5 | 1 | 6 | Alec Elliot | Canada | 58.59 | Q |
| 6 | 2 | 3 | Riccardo Menciotti | Italy | 58.85 | Q |
| 7 | 2 | 6 | David Levecq | Spain | 59.10 | Q |
| 8 | 1 | 3 | Florent Marais | France | 59.23 | Q |
| 9 | 1 | 2 | Alan Ogorzałek | Poland | 1:00.72 | |
| 10 | 2 | 7 | Akito Minai | Japan | 1:00.97 | |
| 11 | 2 | 2 | Phelipe Rodrigues | Brazil | 1:01.00 | |

## Final

100m butterfly final :

| Rank | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
