At the 2006 South American Games 18 judo events were held, 9 in both genders. The first eight events were held on 9 November, while to others took place on 10 November.[1]
| - 55 kg | Diego Rodríguez Carlos Tenesaca | ||
| - 60 kg | Miguel Albarracín | Javier Guédez | Daniel Aquino Juan Miguel Postigos Acuña |
| - 66 kg | Roberto Ibañez | Felipe Novoa Ludwig Ortíz | |
| - 73 kg | Daniel Lucenti | Eduardo Novoa Cianelli | Diogo Coutinho Richard Leon |
| - 81 kg | Emmanuel Lucenti | Mario Valles | Francisco Ayala Yemer Lopez |
| - 90 kg | Diego Rosati | Guillermo Urriola | Alexsander Jose Guedes José Camacho |
| - 100 kg | Luciano Ribeiro Correa | Alejandro Elissi | Albeny Rosales |
| + 100 kg | Luis Ignacio Salazar Carvajal Ruben Walesberg | ||
| Open class | Luis Ignacio Salazar Carvajal | Albeny Rosales | Walter Costa Dos Santos Carlos Zegarra |
| - 44 kg | ||||
| - 48 kg | Sarah Menezes Rosmelin Rodriguez | |||
| - 52 kg | Neyla Melo | Andressa Fernandes | Cristina Ortega Flor Velázquez | |
| - 57 kg | Yadinis Amaris | Diana Villavicencio | Ana Laura Campos Paula Souza Rodrigues | |
| - 63 kg | Daniela Krukower | Lilian Lenzi | ||
| - 70 kg | Maria Rojas | |||
| - 78 kg | Anny Cortés | Claudirene Cezar | Lorena Briceño | |
| + 78 kg | Jesica Briceño Carmen Chalá | |||
| Open class | Giovanna Blanco | Carmen Chalá | Aline Barbosa |
| Judo at the 2006 South American Games Medal Count | ||||||
|---|---|---|---|---|---|---|
| Rank | Nation | Gold | Silver | Bronze | width=60 | Total |
| 1 | 5 | 4 | 7 | 16 | ||
| 2 | 5 | 2 | 5 | 12 | ||
| 3 | 5 | 2 | 3 | 10 | ||
| 4 | 1 | 4 | 3 | 8 | ||
| 5 | 2 | 3 | 8 | 13 | ||
| 6 | 0 | 2 | 3 | 5 | ||
| 7 | 0 | 1 | 2 | 3 | ||
| 8 | 0 | 0 | 1 | 1 | ||
| Total | 18 | 18 | 31 | 67 | ||