| 1957 SANFL season | |
|---|---|
| Teams | 8 |
| Premiers | Port Adelaide 18th premiership |
| Minor premiers | Port Adelaide 27th minor premiership |
| Magarey Medallist | Ron Benton West Adelaide Jim Deane South Adelaide |
| Ken Farmer Medallist | Peter Phipps West Adelaide (90 Goals) |
| Attendance | |
| Matches played | 76 |
| Total attendance | 849,369 (11,176 per match) |
| Highest | 58,924 (Grand Final, Port Adelaide vs. Norwood) |
The 1957 South Australian National Football League season was the 78th season of the top-level Australian rules football competition in South Australia.