2004–05 Real Zaragoza season

The 2004–05 season was the 73rd season in the history of Real Zaragoza and the club's second consecutive season in the top flight of Spanish football. In addition to the domestic league, Real Zaragoza participated in this season's editions of the Copa del Rey, the Supercopa de España and the UEFA Cup.

Group stage
The group stage draw was held on 5 October 2004.