Swimming at the 2016 European Aquatics Championships – Men's 400 metre freestyle

The Men's 400 metre freestyle competition of the 2016 European Aquatics Championships was held on 16 May 2016.

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

Heats
The heats were held at 10:00.

Final
The final was held at 18:02.