Athletics at the 2023 Pan American Games – Men's decathlon

The men's decaathlon competition of the athletics events at the 2023 Pan American Games took place on October 30 and 31 at the Julio Martínez National Stadium of Santiago, Chile.

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

Results
All times shown are in seconds.

100 metres
Wind: Heat 1: -0.7 m/s, Heat 2: -1.6 m/s

110 metres hurdles
Wind: Heat 1: 0.0 m/s, Heat 2: +0.3 m/s

Final standings
{{legend|#F2F5A9|The highest mark recorded in each event is highlighted in yellow|border=solid 1px #AAAAAA}}