| Season | 1912 | |
|---|---|---|
| Men's football | ||
| Primera División | Quilmes (AFA) Porteño (FAF) | |
| Intermedia | Ferro C. Oeste (AFA) Tigre (FAF) | |
| Segunda División | Banfield (AFA) Tigre (FAF) | |
| Primera C | Boca Juniors III (AFA) Gim. y Esg. BA III (FAF) | |
| Copa de Honor | Racing Club | |
| Copa de Competencia | San Isidro | |
| ||
1912 in Argentine football saw the division of Argentine football into two rival associations, when Federación Argentina de Football (FAF) was established to organise its own championships. Thus, Quilmes won the official AFA tournament, while Porteño won the FAF title.