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
| Rank | Athlete | Nationality | 100m | LJ | SP | HJ | 400m | 110m H | DT | PV | JT | 1500m | Points | Notes |
| Pedro da Silva | | 11.36 | 7.03 | 15.02 | 2.03 | 51.99 | 14.87 | 44.02 | 5.00 | 60.66 | 5:03.06 | 7762 | |
| Eugenio Balanqué | | 11.00 | 7.05 | 13.59 | 2.12 | 48.09 | 14.61 | 37.98 | 4.20 | 57.32 | 4:49.06 | 7726 | |
| Sheldon Blockburger | | 11.14 | 7.38 | 14.40 | 2.15 | 50.10 | 15.11 | 43.30 | | 63.16 | 4:41.20 | 7262 | |
| 4 | Antonio Greene | | 11.27 | 7.10 | 12.56 | 1.91 | 51.60 | 15.12 | 39.32 | 4.20 | 56.80 | 4:51.10 | 7205 | |
| 5 | Richard Hesketh | | 11.40 | 6.91 | 12.73 | 1.91 | 49.69 | 15.87 | 38.32 | 4.20 | 50.80 | 4:36.78 | 7120 | |
| 6 | Miguel Valle | | 11.00 | 7.34 | 13.92 | 1.91 | 49.45 | 14.48 | 38.88 | | 62.96 | 4:35.81 | 7087 | |
| Dave Masgay | | 11.43 | 7.10 | 12.80 | 1.91 | 49.42 | 15.89 | | 4.60 | 63.44 | | | |
