The 2011 AFL season was the Collingwood Magpies' 115th season in the Australian Football League.
Despite winning the McClelland Trophy and the 2011 pre-season cup, Collingwood lost the Grand Final to premiers Geelong. Additionally, all three games Collingwood lost during the 2011 season were against Geelong.
Collingwood played 22 home and away matches across 24 rounds, with byes in Rounds 7 and 13. The club played , , , , and twice and all other teams once throughout the home and away season. The Magpies travelled only four times during the season; one each to Western Australia (to play ), South Australia (to play again), New South Wales (to play ) and Queensland (to play ). Their matches against inter-state teams , and the were played at the MCG.