2018 FINA World Swimming Championships (25 m) – Women's 4 × 50 metre freestyle relay

The women's 4 × 50 metre freestyle relay competition of the 2018 FINA World Swimming Championships (25 m) was held on 16 December 2018.

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

Heats
The heats were started at 9:30.

Final
The final was held at 18:00.