| Country: | Brazil |
| Soccer: | no |
| Season: | 1903 |
| Prevseason: | 1902 |
| Nextseason: | 1904 |
| Flagicon: | yes |
The 1903 season was the second season of competitive football in Brazil.
First Stage
| bgcolor=#CCFFCC style="width: 20px;" | Teams advanced to the final |
| Position | Team | Points | Played | Won | Drawn | Lost | For | Against | Difference | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | São Paulo Athletic | 13 | 8 | 6 | 1 | 1 | 21 | 5 | 16 | |
| 2 | Paulistano | 13 | 8 | 6 | 1 | 1 | 14 | 4 | 10 | |
| 3 | Mackenzie | 7 | 8 | 3 | 1 | 4 | 10 | 8 | 2 | |
| 4 | SC Internacional de São Paulo | 4 | 8 | 2 | 0 | 6 | 8 | 27 | -19 |-!5|Germânia|3|8|1|1|6|8|17|-9 |
Final
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São Paulo Athletic declared as the Campeonato Paulista champions.