Swimming at the 2019 World Aquatics Championships – Men's 50 metre freestyle

The Men's 50 metre freestyle competition at the 2019 World Championships was held on 26 and 27 July 2019. Caeleb Dressel finished first in the final, retaining the title he won in the previous Championships.

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

The following new records were set during this competition.

Heats
The heats were held on 26 July at 10:43.

Swim-off
The swim-off was held on 26 July at 12:00.

Semifinals
The semifinals were held on 26 July at 20:41.

Final
The final was started on 27 July at 20:09.