Swimming at the 2001 World Aquatics Championships – Men's 4 × 200 metre freestyle relay

The Men's 4x200 Freestyle Relay event at the 10th FINA World Aquatics Championships was swum on July 27, 2001. The heats and finals took place July 27.

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

The following record was established during the competition: