Swimming at the 2009 World Aquatics Championships – Women's 4 × 200 metre freestyle relay

The Women's 4x200m Freestyle Relay at the 2009 World Aquatics Championships took place on July 30, 2009 at the Foro Italico in Rome, Italy.

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

The following records were established during the competition: