Swimming at the 2020 Summer Paralympics – Men's 100 metre backstroke S1
# Swimming at the 2020 Summer Paralympics – Men's 100 metre backstroke S1

The Men's 100 metre backstroke S1 event at the 2020 Paralympic Games took place on 25 August 2021, at the Tokyo Aquatics Centre.

## Final

No heats were needed, as there were only seven swimmers.

100m backstroke final :

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