| Mgrtitle: | Manager |
| Chairman: |  José Eduardo Mesquita Pimenta |
| Chrtitle: | Chairman |
| League Result: | Champions (3rd title) (in Copa Libertadores) |
| Cup1 Result: | Champions (17th title) |
| League Topscorer: | Raí (7) |
| Season Topscorer: | Raí (28) |
| Pattern B1: | _spfc99h |
| Pattern Sh1: | _adidasred |
| Pattern So1: | _3_stripes_red |
| Leftarm1: | FFFFFF |
| Body1: | FFFFFF |
| Rightarm1: | FFFFFF |
| Shorts1: | FFFFFF |
| Socks1: | FFFFFF |
| Pattern La2: | _spfc99a |
| Pattern B2: | _spfc01a |
| Pattern Ra2: | _spfc99a |
| Pattern Sh2: | _redstripes |
| Pattern So2: | _3_stripes_red |
| Leftarm2: | FF0000 |
| Body2: | FFFFFF |
| Rightarm2: | FF0000 |
| Shorts2: | 000000 |
| Socks2: | 000000 |
| Nextseason: | 1992 |
The 1991 season was São Paulo's 62nd season since club's existence.
| width=60 | Position | width=60 | Nation | width=60 | Playing position | width=150 | Name | width=80 | Campeonato Brasileiro | width=80 | Campeonato Paulista | width=80 | Others | width=80 | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | MF | Raí | 7 | 19 | 2 | 28 | ||||||||
| 2 | | FW | Macedo | 6 | 8 | 0 | 14 | ||||||||
| 3 | | FW | Müller | 3 | 10 | 0 | 13 | ||||||||
| 4 | | MF | Baiano | 0 | 5 | 2 | 7 | ||||||||
| 5 | | DF | Antônio Carlos | 1 | 4 | 0 | 5 | ||||||||
| = | | MF | Elivélton | 1 | 4 | 0 | 5 | ||||||||
| 6 | | DF | Cafu | 1 | 3 | 0 | 4 | ||||||||
| = | | DF | Ronaldão | 1 | 3 | 0 | 4 | ||||||||
| 7 | | FW | Eliel | 2 | 0 | 0 | 2 | ||||||||
| = | | MF | Eraldo | 0 | 2 | 0 | 2 | ||||||||
| = | | FW | Mário Tilico | 2 | 0 | 0 | 2 | ||||||||
| = | | FW | Rinaldo | 1 | 1 | 0 | 2 | ||||||||
| 8 | | FW | Anílton | 0 | 1 | 0 | 1 | ||||||||
| = | | MF | Bernardo | 1 | 0 | 0 | 1 | ||||||||
| = | | MF | Flávio | 1 | 0 | 0 | 1 | ||||||||
| = | | DF | Ivan | 0 | 0 | 1 | 1 | ||||||||
| = | | MF | Leonardo | 1 | 0 | 0 | 1 | ||||||||
| = | | DF | Pavão | 0 | 1 | 0 | 1 | ||||||||
| = | | MF | Sídnei | 0 | 0 | 1 | 1 | ||||||||
| = | | MF | Suélio | 0 | 1 | 0 | 1 | ||||||||
| = | | DF | Vítor | 0 | 1 | 0 | 1 | ||||||||
| Own goals | 0 | 3 | 0 | 3 | |||||||||||
| Total | 28 | 66 | 10 | 104 |
| In | |||||||
|---|---|---|---|---|---|---|---|
| width=3% | Pos. | width=33% | Name | width=28% | from | width=36% | Type |
| FW | |||||||
| FW | |||||||
| FW | |||||||
| Out | |||||||
|---|---|---|---|---|---|---|---|
| width=3% | Pos. | width=33% | Name | width=28% | To | width=36% | Type |
| FW | loan ended | ||||||
| Out | |||||||
|---|---|---|---|---|---|---|---|
| width=3% | Pos. | width=33% | Name | width=28% | To | width=36% | Type |
| MF | |||||||
| DF | |||||||
| MF | |||||||
| FW | loan | ||||||
| Games played | 69 (23 Campeonato Brasileiro, 34 Campeonato Paulista, 12 Friendly match) |
| Games won | 37 (12 Campeonato Brasileiro, 21 Campeonato Paulista, 4 Friendly match) |
| Games drawn | 24 (7 Campeonato Brasileiro, 12 Campeonato Paulista, 5 Friendly match) |
| Games lost | 8 (4 Campeonato Brasileiro, 1 Campeonato Paulista, 3 Friendly match) |
| Goals scored | 109 |
| Goals conceded | 55 |
| Goal difference | +54 |
| Best result | 5–0 (A) v Catanduvense - Campeonato Paulista - 1991.09.18 5–0 (H) v São José - Campeonato Paulista - 1991.10.12 |
| Worst result | 1–4 (H) v Internacional - Campeonato Paulista - 1991.10.09 |
| Top scorer | Raí (28) |