Group A of the 2004 Copa América was one of the three groups of competing nations in the 2004 Copa América. It comprised Bolivia, Colombia, Peru, and Venezuela. Group play ran from 6 to 12 July 2004.
Colombia won the group and faced Costa Rica, the second-best third-placed finishers, in the quarter-finals. Peru finished second and faced Argentina—the runners-up of Group B—in the quarter-finals. Bolivia and Venezuela finished third and fourth in the group, respectively, and were eliminated from the tournament.