| 1971 SANFL season | |
|---|---|
| Teams | 10 |
| Premiers | North Adelaide 10th premiership |
| Minor premiers | North Adelaide 10th minor premiership |
| Magarey Medallist | Russell Ebert Port Adelaide |
| Ken Farmer Medallist | Fred Phillis Glenelg (99 Goals) |
| Attendance | |
| Matches played | 109 |
| Total attendance | 1,023,433 (9,389 per match) |
| Highest | 52,228 (Grand Final, North Adelaide vs. Port Adelaide) |
The 1971 South Australian National Football League season was the 92nd season of the top-level Australian rules football competition in South Australia.