2011–12 Athletic Bilbao season

The 2011–12 season was 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 competed for their ninth La Liga title and participated in the UEFA Europa League, entering in the play-off round due to their sixth-place finish in the 2010–11 La Liga. They also entered the Copa del Rey in the Round of 32.

In
Total expenditure: €0 million

Out
Total income: €0 million