The Men's Boxing Tournament at the 1951 Pan American Games was held in Buenos Aires, Argentina, from February 25 to March 8, with the hosting nation winning in all eight weight divisions.
| Event | Gold | Silver | Bronze |
|---|---|---|---|
| Flyweight (– 51 kilograms) |
Alberto Barenghi Argentina |
Germán Pardo Chile |
Raul Macias Mexico |
| Bantamweight (– 54 kilograms) |
Ricardo Gonzales Argentina |
Ali Martucci Venezuela |
Juan Rodríguez Chile |
| Featherweight (– 57 kilograms) |
Francisco Nuñez Argentina |
Augusto Carcamo Chile |
Juan Alvarado Mexico |
| Lightweight (– 60 kilograms) |
Oscar Gallardo Argentina |
Fernando Araneda Chile |
Willie Hunter United States |
| Welterweight (– 67 kilograms) |
Oscar Pietta Argentina |
Cristobal Hernández Cuba |
José Noriega Mexico |
| Middleweight (– 75 kilograms) |
Ubaldo Pereira Argentina |
Paulo Sacoman Brazil |
Manuel Vargas Chile |
| Light Heavyweight (– 81 kilograms) |
Rinaldo Ansaloni Argentina |
Lucio Gratone Brazil |
John Stewart United States |
| Heavyweight (+ 81 kilograms) |
Jorge Vertone Argentina |
Víctor Bignon Chile |
Norvel Lee United States |
| Place | Nation | Total | |||
|---|---|---|---|---|---|
| 1 | Argentina (ARG) | 8 | 0 | 0 | 8 |
| 2 | Chile (CHI) | 0 | 4 | 2 | 6 |
| 3 | Brazil (BRA) | 0 | 2 | 0 | 2 |
| 4 | Cuba (CUB) | 0 | 1 | 0 | 1 |
| Venezuela (VEN) | 0 | 1 | 0 | 1 | |
| 6 | Mexico (MEX) | 0 | 0 | 3 | 3 |
| United States (USA) | 0 | 0 | 3 | 3 | |
| Total | 8 | 8 | 8 | 24 | |
|
|
|||||||