2004 Cienciano season

The 2004 season was Cienciano's 103rd season since its founding in 1901. The club played the Torneo Descentralizado, the Copa Libertadores and the Recopa Sudamericana.

Torneo Apertura

 * Results

Torneo Clausura

 * Results

Copa Libertadores

 * Group stage

Recopa Sudamericana
Cienciano defeated Boca Juniors on penalties and was champion of the tournament.