| Flyweight −50.8kg / 112lb |
| 1. Antal Kocsis | Hungary |
| 2. Armand Apell | France |
| 3. Carlo Cavagnoli | Italy |
| Bantamweight −53.5kg / 118lb |
| 1. Vittorio Tamagnini | Italy |
| 2. John Daley | United States |
| 3. Harry Isaacs | South Africa |
| Featherweight −57.2kg / 126lb |
| 1. Bep van Klaveren | Netherlands |
| 2. Víctor Peralta | Argentina |
| 3. Harold Devine | United States |
| Lightweight −61.2kg / 135lb |
| 1. Carlo Orlandi | Italy |
| 2. Stephen Halaiko | United States |
| 3. Gunnar Berggren | Sweden |
| Welterweight −66.7kg / 147lb |
| 1. Ted Morgan | New Zealand |
| 2. Raúl Landini | Argentina |
| 3. Raymond Smillie | Canada |
| Middleweight −72.6kg / 160lb |
| 1. Piero Toscani | Italy |
| 2. Jan Heřmánek | Czechoslovakia |
| 3. Léonard Steyaert | Belgium |
| Light heavyweight −79.4kg / 175lb |
| 1. Víctor Avendaño | Argentina |
| 2. Ernst Pistulla | Germany |
| 3. Karel Miljon | Netherlands |
| Heavyweight over 79.4kg / 175lb |
| 1. Arturo Rodríguez Jurado | Argentina |
| 2. Nils Ramm | Sweden |
| 3. Michael Michaelsen | Denmark |
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