Swimming at the 2020 Summer Paralympics – Men's 100 metre butterfly S9
# Swimming at the 2020 Summer Paralympics – Men's 100 metre butterfly S9

The men's 100 metre butterfly S9 event at the 2020 Paralympic Games took place on 2 September 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 | 3 | 4 | William Martin | Australia | 58.14 | Q, WR |
| 2 | 2 | 4 | Simone Barlaam | Italy | 1:00.71 | Q |
| 3 | 1 | 5 | José Antonio Mari | Spain | 1:00.97 | Q |
| 4 | 1 | 4 | Federico Morlacchi | Italy | 1:01.42 | Q |
| 5 | 2 | 5 | Alexander Skaliukh | RPC | 1:01.54 | Q |
| 6 | 3 | 5 | Timothy Hodge | Australia | 1:01.58 | Q |
| 7 | 3 | 2 | Malte Braunschweig | Germany | 1:02.10 | Q |
| 8 | 3 | 3 | Yahor Shchalkanau | Belarus | 1:02.17 | Q |
| 9 | 2 | 3 | Kristijan Vincetić | Croatia | 1:02.68 | |
| 10 | 2 | 6 | Barry McClements | Ireland | 1:02.83 | |
| 11 | 1 | 6 | Simone Ciulli | Italy | 1:03.25 | |
| 12 | 3 | 7 | Brenden Hall | Australia | 1:04.70 | |
| 13 | 3 | 6 | Igor Hrehorowicz | Poland | 1:04.71 | |
| 14 | 1 | 3 | Denis Tarasov | RPC | 1:05.08 | |
| 15 | 2 | 2 | Jacobo Garrido Brun | Spain | 1:05.36 | |
| 16 | 2 | 7 | Jesse Reynolds | New Zealand | 1:05.64 | |
| 17 | 1 | 2 | Vanilton Filho | Brazil | 1:07.04 | |

## Final

100m butterfly final :

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