At the end of the previous season, the North Queensland Fury were cut from the competition by the governing body, Football Federation Australia, due to financial reasons.

The following do not fill a Visa position: 1Those players who were born and started their professional career abroad but have since gained Australian Residency (and New Zealand Residency, in the case of Wellington Phoenix); 2Australian residents (and New Zealand residents, in the case of Wellington Phoenix) who have chosen to represent another national team; 3Injury Replacement Players, or National Team Replacement Players; 4Guest Players (eligible to play a maximum of ten games)

These are the attendance records of each of the teams at the end of the home and away season.

Updated to the 25 March 2012 note: Adelaide United's lowest crowd was at Bathurst's Carrington Park(NSW) as part of the regional round fixtures.

Updated to end of Week 17, 2 February 2012 The Fair Play Award will go to the team with the lowest points on the fair play table at the conclusion of the home and away season.