The men's synchronized 3 metre platform competition of the diving events at the 2011 Pan American Games was held on October 26 at the Scotiabank Aquatics Center.

[1] The defending Pan American Games champion were Troy Dumais and Mitch Richeson of the United States.

The synchronized diving competitions all consist of one rounds.

All teams compete in a single round of six dives.

Eleven judges evaluate each dive, three each for each individual diver, and five for the synchronization, giving the diver/dive a score between 0 and 10 with increments of 0.5.