| 1981 SANFL season | |
|---|---|
| Teams | 10 |
| Premiers | Port Adelaide 27th premiership |
| Minor premiers | Glenelg 3rd minor premiership |
| Magarey Medallist | Michael Aish Norwood (41 votes) |
| Ken Farmer Medallist | Tim Evans Port Adelaide (98 Goals) |
| Attendance | |
| Matches played | 116 |
| Total attendance | 1,087,854 (9,378 per match) |
| Highest | 52,659 (Grand Final, Port Adelaide vs. Glenelg) |
The 1981 South Australian National Football League season was the 102nd season of the top-level Australian rules football competition in South Australia.
| Pos | Team | Pld | W | L | D | PF | PA | PP | Pts |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Glenelg | 22 | 19 | 3 | 0 | 2769 | 2029 | 57.71 | 38 |
| 2 | Port Adelaide (P) | 22 | 15 | 7 | 0 | 2414 | 1983 | 54.90 | 30 |
| 3 | South Adelaide | 22 | 15 | 7 | 0 | 2296 | 2002 | 53.42 | 30 |
| 4 | Norwood | 22 | 13 | 8 | 1 | 2430 | 2096 | 53.69 | 27 |
| 5 | West Adelaide | 22 | 11 | 10 | 1 | 2526 | 2259 | 52.79 | 23 |
| 6 | Sturt | 22 | 11 | 10 | 1 | 2262 | 2286 | 49.74 | 23 |
| 7 | Central District | 22 | 11 | 11 | 0 | 2523 | 2233 | 53.05 | 22 |
| 8 | North Adelaide | 22 | 7 | 15 | 0 | 2179 | 2558 | 46.00 | 14 |
| 9 | West Torrens | 22 | 3 | 18 | 1 | 2020 | 2631 | 43.43 | 7 |
| 10 | Woodville | 22 | 3 | 19 | 0 | 1820 | 3162 | 36.53 | 6 |
| 1981 SANFL Grand Final | |||||
|---|---|---|---|---|---|
| Saturday, 3 October (2:10pm) | Glenelg | def. by | Port Adelaide | Football Park (crowd: 52,659) | |
| 1.0 (6) 2.4 (16) 2.5 (17) 6.8 (44) | Q1 Q2 Q3 Final | 6.5 (41) 8.6 (54) 12.11 (81) 14.11 (95) | |||
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