The men's decathlon event of the athletics events at the 2011 Pan American Games was held the 24 and 25 of October at the Telmex Athletics Stadium.

[1][2] The defending Pan American Games champion is Maurice Smith of the Jamaica.

Prior to this competition, the existing world and Pan American Games records were as follows: Each National Olympic Committee (NOC) was able to enter up to two entrants providing they had met the minimum standard (6750) in the qualifying period (January 1, 2010 to September 14, 2011).

[2] All distances shown are in meters:centimeters