| 1959 SANFL season | |
|---|---|
| Teams | 10 |
| Premiers | Port Adelaide 20th premiership |
| Minor premiers | Port Adelaide 28th minor premiership |
| Magarey Medallist | Len Fitzgerald Sturt |
| Ken Farmer Medallist | Wally Dittmar Port Adelaide (74 goals) |
| Attendance | |
| Matches played | 76 |
| Total attendance | 863,466 (11,361 per match) |
| Highest | 48,884 (Grand Final, Port Adelaide vs. West Adelaide) |
The 1959 South Australian National Football League season was the 80th season of the top-level Australian rules football competition in South Australia.
By winning the 1959 SANFL Grand Final, Port Adelaide set the Australian record of six consecutive Grand Final victories in a top level state competition when it defeated West Adelaide by 10 points.