Swimming at the 2018 Mediterranean Games – Men's 4 × 100 metre freestyle relay

The men's 4 × 100 metre freestyle relay event at the 2018 Mediterranean Games was held on 23 June 2018 at the Campclar Aquatic Center.

Records
Prior to this competition, the existing world and Mediterranean Games records were as follows:

Results
The final was held at 18:58.