Southern FL Division One South
- England
- 22 teams
Split from Southern FL Division One East (2017) (2017–now), Southern FL Division One West (2017) (2017–now)
Champions by season
- 2025-26Frome Town2nd Malvern Town
- 2024-25Yate Town2nd Evesham United
- 2023-24Wimborne Town2nd Frome Town
- 2022-23AFC Totton2nd Sholing
- 2021-22Plymouth Parkway2nd Frome Town
- 2020-21Cirencester Town2nd AFC Totton
- 2019-20Thatcham Town2nd Frome Town
- 2018-19Blackfield & Langley2nd Cirencester Town
- 2017-18Beaconsfield Town2nd Rushden & Diamonds
Most titles
Sources: Wikipedia, API-Football