The Group A of the 1999 Copa América was one of the three groups of competing nations in the 1999 Copa América. It comprised Paraguay, Bolivia, Peru, and Japan. Group play began on June 29 and ended on July 5.
Paraguay won the group and faced Uruguay, the second-best third-placed finisher, in the quarterfinals. Peru finished second and faced Mexico—the runner-up of Group B—in the quarterfinals. Bolivia and Japan finished third and fourth in the group, respectively, and were eliminated from the tournament.