| Copa do Brasil 2003 | |
|---|---|
| Tournament details | |
| Country |  Brazil |
| Dates | 2 February – 4 June |
| Teams | 65 |
| Final positions | |
| Champions | Cruzeiro (MG) |
| Runner-up | Flamengo (RJ) |
| Tournament statistics | |
| Matches played | 118 |
| Goals scored | 347 (2.94 per match) |
| Top goal scorer(s) | Nonato (9) |
The Copa do Brasil 2003 was the 15th staging of the Copa do Brasil.
The competition started on 2 February and concluded on 4 June 2003 with the second leg of the final, held at the Mineirão Stadium in Belo Horizonte, in which Cruzeiro lifted the trophy for the fourth time with a 3-1 victory over Flamengo.
Nonato, of Bahia, with nine goals, was the competition's topscorer.