2013 WA State League Premier Division
The 2013 season of the Western Australian State League Premier Division started on 16 March between eleven clubs and the National Training Squad. The Season ended on 5 October with the Championship decider. Similar to 2012, the NTC did not play for competition points.
Stirling Lions were the Premiers – their 7th title – and Bayswater City were Champions.
Pre-season changes
| 2012 League | Promoted to league | Relegated from league | Ref. |
| State League Premier Division | Cockburn City | Western Knights |