2022 FINA World Swimming Championships (25 m) – Men's 400 metre freestyle

The Men's 400 metre freestyle competition of the 2022 FINA World Swimming Championships (25 m) was held on 15 December 2022.

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

Heats
The heats were started at 12:25.

Final
The final was held at 21:31.