Swimming at the 2022 World Aquatics Championships – Women's 800 metre freestyle

The Women's 800 metre freestyle competition at the 2022 World Aquatics Championships was held on 23 and 24 June 2022.

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

Heats
The heats were started on 23 June at 10:31.

Final
The final was held on 24 June at 19:26.