2015 WAFL season

The 2015 WAFL season was the 131st season of the various incarnations of the West Australian Football League (WAFL). The season began on 20 March 2015 and concluded on 27 September 2015 with the 2015 WAFL Grand Final between and  at Domain Stadium. Subiaco won the match by 66 points, recording their second consecutive premiership and 13th overall.

For the first time since 1994, the finals series was based on a top-5, rather than the top 4 system that has been used since 1931, with the exception of 1991–1994.