| Competition | safl |
|---|---|
| Year | 1920 |
| Teams | 7 |
| Count | 4 |
| Mpcount | 3 |
| Matches | 45 |
| Highattend | 42,500 (12 July, vs. ) |
| Top goal scorer | Frank Golding (30 goals) |
| Magarey medal | Vic Richardson Dan Moriarty |
| Prevseason | 1919 |
| Nextseason | 1921 |
The 1920 South Australian Football League season was the 41st season of the top-level Australian rules football competition in South Australia.