Fastest swim 100 m backstroke - S13 (male)

- Who
- Ihar Boki
- What
- 56.36 second(s)
- Where
- Japan (Tokyo)
- When
- 26 August 2021
The fastest 100 m backstroke by a male para swimmer in the S13 category is 56.36 seconds, achieved by Ihar Boki (Belarus) at the Tokyo 2020 Paralympic Games in Tokyo, Japan, on 26 August 2021.