| Season: | 1955 |
| Manager: |  Leônidas da Silva Vicente Feola |
| Mgrtitle: | Manager |
| Chairman: | Cícero Pompeu de Toledo |
| Chrtitle: | Chairman |
| League: | Torneio Rio-São Paulo |
| League Result: | 9th |
| Cup1: | Campeonato Paulista |
| Cup1 Result: | 3rd |
| Prevseason: | 1954 |
| Nextseason: | 1956 |
The 1955 football season was São Paulo's 26th season since club's existence.
| Games played | 60 (9 Torneio Rio-São Paulo, 26 Campeonato Paulista, 25 Friendly match) |
| Games won | 28 (2 Torneio Rio-São Paulo, 16 Campeonato Paulista, 10 Friendly match) |
| Games drawn | 19 (2 Torneio Rio-São Paulo, 6 Campeonato Paulista, 11 Friendly match) |
| Games lost | 13 (5 Torneio Rio-São Paulo, 4 Campeonato Paulista, 4 Friendly match) |
| Goals scored | 129 |
| Goals conceded | 79 |
| Goal difference | +50 |
| Best result | 6–1 (H) v Linense – Campeonato Paulista – 1955.12.17 |
| Worst result | 1–4 (A) v La Salle – Friendly match – 1955.07.16 |
| Most appearances | |
| Top scorer | |