Boxing at the 2010 South American Games – Men's 51kg
# Boxing at the 2010 South American Games – Men's 51kg

The Men's 51 kg event at the 2010 South American Games had its quarterfinals held on March 23, the semifinals on March 25 and the final on March 27.

## Medalists

| Gold | Silver | Bronze |
| - | - | - |
| Cei Avila Colombia | Julião Henriques Neto Brazil | Luis Caycho Davila Peru Fernando Martinez Argentina |

## Results

### Main Bracket

| Quarterfinals | Quarterfinals | Semifinals | Semifinals | Final | Final |
| - | - | - | - | - | - |
| | | Luis Caycho Davila (PER) | 2 | | |
| | | Cei Avila (COL) | 19 | | |
| | | | | Cei Avila (COL) | 13 |
| | | | | Julião Henriques Neto (BRA) | 6 |
| Julião Henriques Neto (BRA) | 6 | | | | | Julião Henriques Neto (BRA) | 6 |
| José Luis Meza (ECU) | 1 | | | | |
| José Luis Meza (ECU) | 1 | Julião Henriques Neto (BRA) | 8 | | |
| | | Fernando Martinez (ARG) | 2 | | |
| Fernando Martinez (ARG) | 10 | Fernando Martinez (ARG) | 2 | | |
| Evier Hernandez (VEN) | 7 | | | | |
