| 1945 SANFL season | |
|---|---|
| Teams | 8 |
| Premiers | West Torrens 3rd premiership |
| Minor premiers | Port Adelaide 21st minor premiership |
| Magarey Medallist | Bob Quinn Port Adelaide (46 votes) |
| Ken Farmer Medallist | S Scott South Adelaide (64 Goals) |
| Matches played | 72 |
| Highest | 47,500 (Grand Final, West Torrens vs. Port Adelaide) |
The 1945 South Australian National Football League season was the 66th season of the top-level Australian rules football competition in South Australia.