The 2011–12 season was the 43rd season of national competitive association football in Australia and 129th overall.

The 2011–12 A-League began on 8 October 2011 and ended on 22 April 2012.

The 2011–12 W-League began on 22 October 2011 and ended on 28 January 2012.

The 2012 AFC Champions League began on 10 February 2012 and ended on 10 November 2012.

Brisbane Roar qualified after winning the 2011 A-League Grand Final, Central Coast Mariners after coming second in the 2010–11 A-League and Adelaide United, after coming third, entered in the qualifying stages.