The 2013 AFL season was the 117th 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 eighteen clubs, ran from 22 March until 28 September, and comprised a 22-game home-and-away season followed by a finals series featuring the top eight clubs.

The 2013 Australian Football League finals series determined the winner of the 2013 AFL season. The series ran from the 6th to 28 September and culminated in the 117th AFL/VFL Grand Final, held between Fremantle and Hawthorn, which Hawthorn won.