| Founded | 1891 |
|---|---|
| Folded | 1911 |
| Country |  Wales |
| Last champions | Tredegar (1910–11) |
| Most championships | Treharris |
The South Wales League was a football league in South Wales. It ran between 1891 and 1911, closing down in September 1911 before the start of the planned 1911–12 season.