2003 Campeonato Brasileiro Série A
| Season | 2003 | 
|---|---|
| Champions | Cruzeiro 1st Campeonato Brasileiro title 2nd Brazilian title  | 
| Relegated | |
| Copa Libertadores | |
| Copa Sudamericana | |
| Matches played | 552 | 
| Goals scored | 1,593 (2.89 per match) | 
| Top goalscorer | Dimba (31 goals) | 
| Average attendance | 15,629 | 
← 2002  2004 →   | |
The 2003 Campeonato Brasileiro Série A was the 47th edition of the Campeonato Brasileiro Série A. The first edition with only a double round-robin and no playoffs, it began on March 29, 2003, and reached its end on December 14. The competition was won by Cruzeiro Esporte Clube, who completed a treble.