Fastest swim short course 100 metres butterfly (male)
- Who
- Josh Liendo
- What
- 47.68 second(s)
- Where
- Canada (Toronto)
- When
- 23 October 2025
The fastest swim short course 100 m butterfly (male) is 47.68 seconds, achieved by Josh Liendo (Canada) in Toronto, Ontario, Canada, on 23 October 2025.
Liendo was competing at a stage of the World Aquatics Swimming World Cup 2025.