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.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.