| Club: | Villarreal |
| Season: | 2011–12 |
| Stadium: | El Madrigal |
| Chrtitle: | President |
| Chairman: | Fernando Roig |
| Mgrtitle: | Head coach |
| Manager: |
|
| League: | La Liga |
| League Result: | 18th (relegated) |
| Cup1: | Copa del Rey |
| Cup1 Result: | Round of 32 |
| Cup2: | UEFA Champions League |
| Cup2 Result: | Group stage |
| League Topscorer: | Marco Ruben (9) |
| Season Topscorer: | Marco Ruben (9) |
| Pattern B1: | _villarreal1112H |
| Leftarm1: | ffff00 |
| Body1: | ffff00 |
| Rightarm1: | ffff00 |
| Shorts1: | ffff00 |
| Socks1: | ffff00 |
| Pattern B2: | _villarreal1112a |
| Leftarm2: | 0000FF |
| Body2: | 0000FF |
| Rightarm2: | 0000FF |
| Shorts2: | 0000FF |
| Socks2: | 0000FF |
| Prevseason: | 2010–11 |
| Nextseason: | 2012–13 |
The 2011–12 season was Villarreal Club de Fútbol's 89th season in existence and the club's 12th consecutive season in the top flight of Spanish football. It covered a period from 1 July 2011 to 30 June 2012.
Villarreal competed in La Liga and participated in the UEFA Champions League, entering in the play-off round due to their fourth-place finish in the 2010–11 La Liga. They entered the Copa del Rey in the Round of 32. This season would end Villarreal's streak in La Liga; on the final day of the season they lost 1–0 to Atlético Madrid, sending them down to 18th and relegating the side to the second division for the first time since the 1999–2000 season.
The numbers are established according to the official website:www.villarrealcf.es and www.lfp.es
See main article: 2011–12 La Liga.
See main article: 2011–12 Copa del Rey.
See main article: 2011–12 UEFA Champions League.
Times up to 29 October 2011 (matchdays 1–3) are CEST, thereafter (matchdays 4–6) times are CET .