| Club: | Villarreal |
| Season: | 2008–09 |
| Ownertitle: | Owner |
| Owner: | Fernando Roig |
| Chrtitle: | President |
| Chairman: | Fernando Roig |
| Mgrtitle: | Head coach |
| Manager: | Manuel Pellegrini |
| Stadium: | El Madrigal |
| League: | La Liga |
| League Result: | 5th |
| Cup1: | Copa del Rey |
| Cup1 Result: | Round of 32 |
| Cup2: | UEFA Champions League |
| Cup2 Result: | Quarter-finals |
| League Topscorer: | Joseba Llorente (15)[1] |
| Season Topscorer: | Joseba Llorente (19) |
| Pattern La1: | _villarreal0809h |
| Pattern B1: | _villarreal0809h |
| Pattern Ra1: | _villarreal0809h |
| Leftarm1: | FFFF00 |
| Body1: | FFFF00 |
| Rightarm1: | FFFF00 |
| Shorts1: | FFFF00 |
| Socks1: | FFFF00 |
| Pattern La2: | _villarreal0809a |
| Pattern B2: | _villarreal0809a |
| Pattern Ra2: | _villarreal0809a |
| Pattern Sh2: | _villarreal0809a |
| Pattern So2: | _villarreal0809a |
| Leftarm2: | 00CCFF |
| Body2: | 00CCFF |
| Rightarm2: | 00CCFF |
| Shorts2: | 00CCFF |
| Socks2: | 00CCFF |
| Prevseason: | 2007–08 |
| Nextseason: | 2009–10 |
The 2008–09 season was Villarreal Club de Fútbol's 86th season in existence and the club's 9th 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 Champions League. The season covered the period from 1 July 2008 to 30 June 2009.
See main article: 2008–09 La Liga.
See main article: 2008–09 Copa del Rey.
See main article: 2008–09 UEFA Champions League.
The group stage draw was held on 28 August 2008.[2]
See main article: 2008–09 UEFA Champions League knockout phase.
The draw for the round of 16 was held on 19 December 2008.
The draw for the quarter-finals was held on 20 March 2009.