Swimming at the 2015 Pan American Games – Men's 4 × 100 metre freestyle relay

Men's 4 × 100 metre freestyle relay at the XVII Pan American Games
Venue	CIBC Pan Am/Parapan Am Aquatics Centre and Field House
Dates	July 14 (preliminaries and finals)
Competitors	37 from 7 nations
Winning time	3:13.66
Medalists
Matheus Santana, João de Lucca, Bruno Fratus, Marcelo Chierighini, Nicolas Oliveira, Thiago Pereira   Brazil   Santo Condorelli, Karl Krug, Evan van Moerkerke, Yuri Kisil, Markus Thormeyer, Stefan Milošević   Canada   Josh Schneider, Darian Townsend, Cullen Jones, Michael Weiss, Michael Klueh, Eugene Godsoe   United States
«2011 2019»

The men's 4 × 100 metre freestyle relay competition of the swimming events at the 2015 Pan American Games took place on July 14 at the CIBC Pan Am/Parapan Am Aquatics Centre and Field House in Toronto, Canada. The defending Pan American Games champion is Brazil.

This race consisted of eight lengths of the pool. Each of the four swimmers completed two lengths of the pool. The first swimmer had to touch the wall before the second could leave the starting block.

Prior to this competition, the existing world and Pan American Games records were as follows:

The following new records were set during this competition.

All times are Eastern Time Zone (UTC-4).

The first round was held on July 14. As only seven teams had entered, the heats served as a ranking round with all seven teams advancing to the final.

The final was held on July 14.

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