2004 South American Amateur Championships - IFBB
| Overall Winner Silvio Sanchez | |
HeavyWeight | |
| 1 | Silvio Sanchez (Argentina) |
| 2 | Alberto Calabrese (Argentina) |
| 3 | Diego Acosta (Paraguay) |
Light-HeavyWeight | |
| 1 | Gaston Martinez (Argentina) |
| 2 | Rodrigo Cortez Schall (Argentina) |
| 3 | Jose Gutierrez (Paraguay) |
MiddleWeight | |
| 1 | Paulo Lima Dos Santos (Brazil) |
| 2 | Jose Moreira (Brazil) |
| 3 | Ariel Cervantes (Argentina) |
| 4 | Gonzalo Carrasco (Chile) |
| 5 | Eduardo Miranda (Argentina) |
| 6 | Alberto Rodriguez (Argentina) |
| 7 | Jose Perez (6) (Peru) |
Light-MiddleWeight | |
| 1 | Eros Mello (Brazil) |
| 2 | Oswald Yarzaguray (Aruba) |
| 3 | Guillermo Galeotti (Argentina) |
| 4 | Sebastian Rossi (Argentina) |
| 5 | Luis Casañas Hidalgo (Ecuador) |
| 6 | Ariel Mancuso (Argentina) |
| 7 | Mauricio Melgarejo (Uruguay) |
WelterWeight | |
| 1 | Fausto Enrique Caicedo Caicedo (Ecuador) |
| 2 | Antônio Inácio Santiago (Brazil) |
| 3 | Claudio Nieto (Argentina) |
| 4 | Luis Ricardo Plata (Columbia) |
| 5 | Jose Romero (Argentina) |
| 6 | Juan Paredes (Paraguay) |
| 7 | Gustavo Espinola (Paraguay) |
| 8 | Wilmar Neira (Uruguay) |
| 9 | Eduardo Horrisberger (Argentina) |
LightWeight | |
| 1 | Alfredo Valencia (Ecuador) |
| 2 | Fabian Mirabile (Argentina) |
| 3 | Jacob Carrasco (Peru) |
| 4 | Juan Carlos Ayala (Argentina) |
BantamWeight | |
| 1 | Alisther Montoya (Ecuador) |
| 2 | Wilder Cayotopa (Peru) |
| 3 | Gustavo Suarez (Argentina) |
| 4 | Diego Andres Spadoni (Uruguay) |
| 5 | Guillermo Marc (Argentina) |
Junior - HeavyWeight | |
| 1 | Karl Linnhoff (Paraguay) |
| 2 | Andrei Siqueira (Brazil) |
Junior - LightWeight | |
| 1 | Fabio Vazquez (Peru) |
| 2 | Jonathan Rubin (Argentina) |
Masters Overall Winner Jurandir Ribeiro | |
Masters HeavyWeight | |
| 1 | Jurandir Ribeiro (Brazil) |
| 2 | Luis Elmes (Chile) |
Masters LightWeight | |
| 1 | Eduardo Oliveira (Brazil) |
| 2 | Raul Sadi (Argentina) |
| 3 | Gabriel Valero (Ecuador) |
| 4 | Alfredo Ortega (Peru) |
| 5 | Guido Arevalo (Ecuador) |
| 6 | Fernando Rovegno (Paraguay) |
Masters 50+ | |
| 1 | Fernando Aramburu (Argentina) |
| 1 | Victor Manuel Charcopa Preciado (Ecuador) |
| 1 | Vicente Gomes (Brazil) |
| 1 | Ricardo Mangia (Argentina) |
| 1 | Ruben Troche (Uruguay) |