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.