Swimming at the 2023 World Aquatics Championships – Men's 50 metre freestyle

The men's 50 metre freestyle competition at the 2023 World Aquatics Championships was held on 28 and 29 July 2023.

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

Heats
The heats were started on 28 July at 11:12.

Swim-off
The swim-off to decide the first replacement was started on 28 July at 12:57.

Semifinals
The semifinals were held on 28 July at 20:40.

Swim-off
The swim-off to decide the first replacement was started on 28 July at 22:09.

Final
The final was started on 29 July at 20:09.