| Club: | Real Zaragoza |
| Season: | 2004–05 |
| Mgrtitle: | Head coach |
| Manager: | Víctor Muñoz |
| Stadium: | La Romareda |
| League: | La Liga |
| League Result: | 12th |
| Cup1: | Copa del Rey |
| Cup1 Result: | Round of 64 |
| Cup2: | Supercopa de España |
| Cup2 Result: | Winners |
| Cup3: | UEFA Cup |
| Cup3 Result: | Round of 16 |
| League Topscorer: | David Villa (15) |
| Season Topscorer: | David Villa (18) |
| Prevseason: | 2003–04 |
| Nextseason: | 2005–06 |
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.
See main article: 2004–05 La Liga.
See main article: 2004–05 Copa del Rey.
See main article: 2004 Supercopa de España.
See main article: 2004–05 UEFA Cup.
The group stage draw was held on 5 October 2004.[1]
See main article: 2004–05 UEFA Cup knockout stage.