Athletics at the 1991 Pan American Games – Men's decathlon

The men's decathlon event at the 1991 Pan American Games was held in Havana, Cuba on 7 and 8 August. Pedro da Silva, of Brazil, won the Gold Medal in this event with a score of 7,762.

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