| All Flags State League Premier Division | |
| League: | Football West Premier League |
| Sport: | Association football |
| Duration: | 2011 |
| No Of Teams: | 12 |
| Season: | Football West State League Season |
| Season Champs: | Perth |
| Season Champ Name: | Champions |
| League Champs: | Balcatta |
| League Champ Name: | Premiers |
| Season2: | State League Cup 2011 |
| Season Champs2: | Sorrento |
| Seasonslist: | List of Football West State League seasons |
| Seasonslistnames: | Football West State League |
| Prevseason Year: | 2010 |
| Nextseason Year: | 2012 |
The 2011 season of the State League Premier Division ran from 26 February to 2 October, featuring 12 clubs.
Balcatta were the Premiers – their first title – and Perth were Champions.