| Club: | Villarreal |
| Season: | 2004–05 |
| Chrtitle: | President |
| Chairman: | Fernando Roig |
| Mgrtitle: | Head coach |
| Manager: | Manuel Pellegrini |
| Stadium: | El Madrigal |
| League: | La Liga |
| League Result: | 3rd |
| Cup1: | Copa del Rey |
| Cup1 Result: | Round of 64 |
| Cup2: | UEFA Cup |
| Cup2 Result: | Quarter-finals |
| Cup3: | UEFA Intertoto Cup |
| Cup3 Result: | Winners |
| League Topscorer: | Diego Forlán (25)[1] |
| Season Topscorer: | Diego Forlán (25) |
| Pattern La1: | _villarreal0405h |
| Pattern B1: | _villarreal0405h |
| Pattern Ra1: | _villarreal0405h |
| Pattern Sh1: | _villarreal0304a |
| Pattern So1: | _villarreal0304a |
| Leftarm1: | FFFF00 |
| Body1: | FFFF00 |
| Rightarm1: | FFFF00 |
| Shorts1: | FFFF00 |
| Socks1: | FFFF00 |
| Pattern La2: | _villarreal0304a |
| Pattern B2: | _villarreal0304a |
| Pattern Ra2: | _villarreal0304a |
| Pattern Sh2: | _villarreal0304h |
| Pattern So2: | _villarreal0304h |
| Leftarm2: | 000000 |
| Body2: | 000000 |
| Rightarm2: | 000000 |
| Shorts2: | 0000FF |
| Socks2: | 0000FF |
| Prevseason: | 2003–04 |
| Nextseason: | 2005–06 |
The 2004–05 season was Villarreal Club de Fútbol's 82nd season in existence and the club's 5th consecutive season in the top flight of Spanish football. In addition to the domestic league, Villarreal participated in this season's editions of the Copa del Rey and the UEFA Intertoto Cup. The season covered the period from 1 July 2004 to 30 June 2005.
See main article: 2004–05 La Liga.
See main article: 2004–05 Copa del Rey.
See main article: 2004–05 UEFA Cup.
See main article: 2004–05 UEFA Cup knockout stage.
See main article: 2004 UEFA Intertoto Cup.