Swimming at the 2022 World Aquatics Championships – Men's 400 metre freestyle

The Men's 400 metre freestyle competition at the 2022 World Aquatics Championships was held on 18 June 2022.

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

Heats
The heats were started at 09:16.

Final
The final was held at 18:02.