| 1980 SANFL season | |
|---|---|
| Teams | 10 |
| Premiers | Port Adelaide 26th premiership |
| Minor premiers | Port Adelaide 37th minor premiership |
| Magarey Medallist | Russell Ebert Port Adelaide (49 votes) |
| Ken Farmer Medallist | Tim Evans Port Adelaide (146 goals) |
| Attendance | |
| Matches played | 116 |
| Total attendance | 1,100,199 (9,484 per match) |
| Highest | 54,536 (Grand Final, Norwood vs. Port Adelaide) |
The 1980 South Australian National Football League season was the 101st season of the top-level Australian rules football competition in South Australia.