| 1920 SAFL premiership season | |
|---|---|
 40th SAFL season North Adelaide premiership team | |
| Teams | 7 |
| Premiers | North Adelaide 4th premiership |
| Minor premiers | North Adelaide 3rd minor premiership |
| Magarey Medallist | Vic Richardson Sturt Dan Moriarty South Adelaide |
| Leading goalkicker | Frank Golding Sturt (30 goals) |
| Matches played | 45 |
| Highest | 42,500 (12 July, North Adelaide vs. Sturt) |
The 1920 South Australian Football League season was the 41st season of the top-level Australian rules football competition in South Australia.