The 2005 AFL season was the 109th season of the Australian Football League (AFL), the highest level senior Australian rules football competition in Australia, which was known as the Victorian Football League until 1989.
The season featured sixteen clubs, ran from 24 March until 24 September, and comprised a 22-game home-and-away season followed by a finals series featuring the top eight clubs.
The premiership was won by the Sydney Swans for the fourth time, after they defeated West Coast by four points in the AFL Grand Final.
Carlton defeated West Coast 1.14.18 (111) to 1.11.9 (84) in the Grand Final.
Three players celebrated 200th game milestones against eventual premiers the Sydney Swans during the regular season: Additionally, Michael Voss (Brisbane Lions) played his 250th AFL game and Mal Michael his 100th club game for the Lions, both also against the Swans, in round 3.