The 2011–12 season will be the 111th season in Athletic Bilbao's history and their 81st consecutive season in La Liga, the top division of Spanish football. It covers a period from 1 July 2011 to 30 June 2012.

Athletic Bilbao will compete for their ninth La Liga title and will participate in the UEFA Europa League, entering in the play-off round due to their sixth-place finish in the 2010–11 La Liga. They will also enter the Copa del Rey in the Round of 32.

Total expenditure: €0 million

Total income: €0 million

Source: Athletic-Club.net

Source: ESPN
Rules for classification: 1st points; 2nd head-to-head points; 3rd head-to-head goal difference; 4th head-to-head goals scored; 5th goal difference; 6th number of goals scored; 7th Fair-play points
¹Atlético Madrid won the 2011–12 UEFA Europa League and thus secured the title holder spot in the group stage of the 2012–13 UEFA Europa League.
²Athletic Bilbao qualified for the third qualifying round of the 2012–13 UEFA Europa League as runners-up of the 2011–12 Copa del Rey to Barcelona, who have qualified for the 2012–13 UEFA Champions League. Consequently, Levante entered the play-off round.
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.

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