| 1951 SANFL season | |
|---|---|
| Teams | 8 |
| Premiers | Port Adelaide 14th premiership |
| Minor premiers | Port Adelaide 22nd minor premiership |
| Magarey Medallist | John Marriott Norwood |
| Ken Farmer Medallist | Colin Churchett Glenelg (102 Goals) |
| Attendance | |
| Matches played | 76 |
| Total attendance | 653,105 (8,593 per match) |
| Highest | 41,997 (Grand Final, Port Adelaide vs. North Adelaide) |
The 1951 South Australian National Football League season was the 72nd season of the top-level Australian rules football competition in South Australia.