Swimming at the 2024 European Aquatics Championships – Men's 800 metre freestyle

The Men's 800 metre freestyle competition of the 2024 European Aquatics Championships was held on 18 and 19 June 2024.

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

Heats
The heats were started on 18 June at 10:35. Qualification Rules: The 8 fastest from the heats qualify to the final.

Final
The final was held on 19 June at 20:07.