The Men's 75 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 edit
| Gold | Silver | Bronze |
Alfonso Blanco Venezuela
|
Alex Theran Colombia
|
Jaime Cortes Padilla EcuadorYamaguchi Florentino  Brazil
|
Results edit
| Quarterfinals | Semifinals | Final | |||||||||
| Yamaguchi Florentino (BRA)
| 10 | ||||||||||
| Alex Theran (COL)
| 16 | ||||||||||
| Alex Theran (COL)
| 2 | ||||||||||
| Alfonso Blanco (VEN)
| 4 | ||||||||||
 Oscar Guedes (URU)
| 1 | ||||||||||
| Jaime Cortes Padilla (ECU)
| 13 | ||||||||||
| Jaime Cortes Padilla (ECU)
| 1 | ||||||||||
| Alfonso Blanco (VEN)
| 3 | ||||||||||
| Alfonso Blanco (VEN)
| RSC | ||||||||||
 Gustavo Caicedo (PAN)
| |||||||||||