Swimming at the 2018 European Aquatics Championships – Women's 4 × 100 metre freestyle relay

The Women's 4 × 100 metre freestyle relay competition of the 2018 European Aquatics Championships was held on 3 August 2018.

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

Heats
The heats were held at 11:01.

Final
The final was held at 18:01.