The West Australian State Premiership was an Australian rules football match contested intermittently between 1902 and 1924 between the premiers of the Western Australian Football Association / West Australian Football League (WAFA / WAFL) and the Goldfields Football Association / Goldfields Football League (GFA / GFL).
List of winners
East Fremantle won the most championships overall, winning five: 1902, 1904, 1906, 1909 and 1910:
References
West Australian State Premiership Wikipedia(Text) CC BY-SA