| League | Southern Area League |
|---|---|
| No. of competitors | 4 |
| Champions | Rayleigh II/Southern Rovers |
| Riders' Championship | Leo McAuliffe |
| Division/s above | National League |
The 1957 Southern Area League was the fourth season of the Southern Area League but the first as the regional second tier of speedway racing in the United Kingdom for Southern British teams.[1]