| 1979 SANFL season | |
|---|---|
| Teams | 10 |
| Premiers | Port Adelaide 25th premiership |
| Minor premiers | Central District 1st minor premiership |
| Magarey Medallist | John Duckworth Central District (44 votes) |
| Ken Farmer Medallist | Glynn Hewitt Woodville (83 Goals) |
| Attendance | |
| Matches played | 116 |
| Total attendance | 1,042,254 (8,985 per match) |
| Highest | 50,428 (Grand Final, Port Adelaide vs. South Adelaide) |
The 1979 South Australian National Football League season was the 100th season of the top-level Australian rules football competition in South Australia.
The final five was Central Districts, Port Adelaide, South Adelaide, Norwood and Woodville. Woodville was competing in the finals for the first time, but lost the Elimination Final to Norwood. Central Districts won their first minor premiership, but lost both its finals, first to Port then to South.