| 1956 SANFL season | |
|---|---|
| Teams | 10 |
| Premiers | Port Adelaide 17th premiership |
| Minor premiers | Port Adelaide 26th minor premiership |
| Magarey Medallist | Dave Boyd Port Adelaide |
| Ken Farmer Medallist | Rex Johns Port Adelaide (70 Goals) |
| Attendance | |
| Matches played | 76 |
| Total attendance | 765,727 (10,075 per match) |
| Highest | 45,514 (Grand Final, Port Adelaide vs. West Adelaide) |
The 1956 South Australian National Football League season was the 77th season of the top-level Australian rules football competition in South Australia.