The 1904 South Australian Football Association season was the 28th season of the top-level Australian rules football competition in South Australia.
| Competition: | safa |
| Year: | 1904 |
| Teams: | 7 |
| Count: | 13 |
| Mpcount: | 4 |
| Matches: | 46 |
| Highattend: | 11,000 (Grand Final, vs.) |
| Top Goal Scorer: | William Miller (54 Goals) |
| Magarey Medal: | Not awarded |
| Prevseason: | 1903 |
| Nextseason: | 1905 |