Swimming at the 2019 World Aquatics Championships – Women's 4 × 200 metre freestyle relay

The Women's 4 × 200 metre freestyle relay competition at the 2019 World Championships was held on 25 July 2019.

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

The following new records were set during this competition.

Heats
The heats were held on 25 July at 11:31.

Final
The final was held on 25 July at 21:47.