| Competition: | sanfl |
| Year: | 2009 |
| Teams: | 9 |
| Premiers: | Central District |
| Count: | 8 |
| Mpcount: | 5 |
| Matches: | 106 |
| Attendance: | 331355 |
| Highattend: | 35,647 (Grand Final, vs.) |
| Top Goal Scorer: | Brant Chambers (80 Goals) |
| Magarey Medal: | James Ezard (18 votes) Rhys Archard (18 votes) |
| Prevseason: | 2008 |
| Nextseason: | 2010 |
The 2009 South Australian National Football League season was the 130th season of the top-level Australian rules football competition in South Australia.