Swimming at the 2022 World Aquatics Championships – Men's 100 metre breaststroke

The Men's 100 metre breaststroke competition at the 2022 World Aquatics Championships was held on 18 and 19 June 2022.

Records
Prior to the competition, the existing world and championship records were as follows.

Heats
The heats were started on 18 June at 10:36.

Semifinals
The semifinals were started on 18 June at 18:53.

Final
The final was held on 19 June at 18:02.