| 2009 AFL premiership season | |
|---|---|
| Date | 4–26 September 2009 |
| Teams | 8 |
| Premiers | Geelong 8th premiership |
| Runners-up | St Kilda (6th grand final) |
| Minor premiers | St Kilda 3rd minor premiership |
| Attendance | |
| Matches played | 9 |
| Total attendance | 615,283 (68,365 per match) |
| Highest | 99,251 (Grand Final, St Kilda vs. Geelong) |
The Australian Football League's 2009 finals series determined the top eight final positions of the 2009 AFL season over four weekends in September 2009, culminating with the 113th AFL/VFL Grand Final at the Melbourne Cricket Ground on 26 September 2009. Geelong won the AFL premiership, for the second time in three years, following their twelve-point win over St Kilda in the grand final.