| Season: | 1948 |
| Manager: | Vicente Feola |
| Mgrtitle: | Manager |
| Chairman: |  Paulo Machado de Carvalho |
| Chrtitle: | Chairman |
| League: | Torneio Rio-São Paulo |
| Cup1: | Campeonato Paulista |
| Cup1 Result: | Champions |
| Prevseason: | 1947 |
| Nextseason: | 1949 |
The 1948 football season was São Paulo's 19th season since the club's founding in 1930.
| Games played | 45 (20 Campeonato Paulista, 25 Friendly match) |
| Games won | 29 (16 Campeonato Paulista, 13 Friendly match) |
| Games drawn | 6 (2 Campeonato Paulista, 4 Friendly match) |
| Games lost | 10 (2 Campeonato Paulista, 8 Friendly match) |
| Goals scored | 103 |
| Goals conceded | 52 |
| Goal difference | +51 |
| Best result | 8–0 (H) v Juventus – Campeonato Paulista – 1948.11.13 |
| Worst result | 0–3 (A) v Atlético Mineiro – Friendly match – 1948.05.27 |
| Most appearances | |
| Top scorer | |