Swimming at the 2020 Summer Paralympics – Men's 100 metre butterfly S12
# Swimming at the 2020 Summer Paralympics – Men's 100 metre butterfly S12

The men's 100 metre butterfly S12 event at the 2020 Paralympic Games took place on 3 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 | 1 | 4 | Raman Salei | Azerbaijan | 58.99 | Q |
| 2 | 2 | 4 | Stephen Clegg | Great Britain | 59.13 | Q |
| 3 | 1 | 5 | Braedan Jason | Australia | 59.58 | Q |
| 4 | 2 | 3 | Illia Yaremenko | Ukraine | 59.72 | Q |
| 5 | 2 | 5 | Roman Makarov | RPC | 1:00.00 | Q |
| 6 | 1 | 3 | Danylo Chufarov | Ukraine | 1:01.04 | Q |
| 7 | 2 | 2 | Daniel Giraldo Correa | Colombia | 1:01.77 | Q |
| 8 | 2 | 6 | Maksim Vashkevich | Belarus | 1:01.87 | Q |
| 9 | 1 | 6 | Sergey Punko | RPC | 1:06.63 | |
| 10 | 1 | 2 | Vali Israfilov | Azerbaijan | 1:10.59 | |

## Final

100m butterfly final :

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