The Men's 50 metre butterfly competition at the 2022 World Aquatics Championships was held on 18 and 19 June 2022.

[1][2] Prior to the competition, the existing world and championship records were as follows.

The heats were started on 18 June at 09:55.

[3] The swim-off was held on 18 June at 11:39.

[5] The final was held on 19 June at 18:48.