| 1977 SANFL season | |
|---|---|
| Teams | 10 |
| Premiers | Port Adelaide 24th premiership |
| Minor premiers | Port Adelaide 36th minor premiership |
| Magarey Medallist | Trevor Grimwood West Adelaide (32 votes) |
| Ken Farmer Medallist | Tim Evans Port Adelaide (87 Goals) |
| Attendance | |
| Matches played | 116 |
| Total attendance | 1,061,043 (9,147 per match) |
| Highest | 56,717 (Grand Final, Port Adelaide vs. Glenelg) |
The 1977 South Australian National Football League season was the 98th season of the top-level Australian rules football competition in South Australia and marked 100 years since the inaugural 1877 SAFA season.