2005 South American Amateur Championships - IFBB
| Overall Winner Edson Serafin | |
HeavyWeight | |
| 1 | Alberto Calabrese (Argentina) |
| 2 | Fabio Pimentel (Brazil) |
| 3 | Diego Acosta (Paraguay) |
| 4 | Jorge Leon (Paraguay) |
Light-HeavyWeight | |
| 1 | Edson Serafin (Brazil) |
| 2 | Eduardo Correa (Brazil) |
| 3 | Pedro Cantero (Paraguay) |
| 4 | Franco Gonzalez (Uruguay) |
MiddleWeight | |
| 1 | Jader Cristo (Brazil) |
| 2 | Ariel Cervantes (Argentina) |
| 3 | Agostinho DeLima (Brazil) |
| 4 | Oriol Villamar (Ecuador) |
| 5 | Sergio Gonzalez (2) (Paraguay) |
WelterWeight | |
| 1 | Fausto Enrique Caicedo Caicedo (Ecuador) |
| 2 | Antônio Ferreira Santiago (Brazil) |
| 3 | Perivaldo Oliveira (Brazil) |
| 4 | Claudio Nieto (Argentina) |
| 5 | Oscar Lopez (Paraguay) |
LightWeight | |
| 1 | Marcelo Honorio DaSilva (Brazil) |
| 2 | Romenildo Manuel Oliveira (Brazil) |
| 3 | Claudio Fuente Alba (Chile) |
| 4 | Alfredo Valencia (Ecuador) |
| 5 | Jacob Carrasco (Peru) |
BantamWeight | |
| 1 | Adeilton Batista (Brazil) |
| 2 | Alisther Montoya (Ecuador) |
| 3 | Bruno Ricardo Vieira (Brazil) |
| 4 | Ariel Perrone (Argentina) |
| 5 | Marco Ramirez (Argentina) |
Junior - HeavyWeight | |
| 1 | Lamuel Souza (Brazil) |
| 2 | Carlos Andres Ayala Caceres (Paraguay) |
| 3 | Jorge Guirizzatto (Brazil) |
Junior - LightWeight | |
| 1 | Javier Santeyana (Bolivia) |
| 2 | Jorge Guerrero (Ecuador) |
| 3 | Matias Ortega (Argentina) |
Masters 40+ | |
| 1 | Eduardo Zoega (Brazil) |
| 2 | Eros DeSouza (Brazil) |
| 3 | Gustavo Sanabria (Paraguay) |
| 4 | Gabriel Valero (Ecuador) |
| 5 | Raul Ponzer (Argentina) |
Masters 50+ | |
| 1 | Vicente Gomes (Brazil) |
| 2 | Dario Lancon (Argentina) |
| 3 | Ruben Troche (Ecuador) |