Isthmian Division One South
- England
- 24 teams
Defunct · last season 2017-18
Split from Isthmian Division One
18 seasons
- 2017-18ChampionsCarshalton AthleticRunner-upLewes
- 2016-17ChampionsTooting & Mitcham UnitedRunner-upDorking Wanderers
- 2015-16ChampionsFolkestone InvictaRunner-upDorking Wanderers
- 2014-15ChampionsBurgess Hill TownRunner-upFolkestone Invicta
- 2013-14ChampionsPeacehaven & TelscombeRunner-upFolkestone Invicta
- 2012-13ChampionsDulwich HamletRunner-upMaidstone United
- 2011-12ChampionsWhitehawkRunner-upBognor Regis Town
- 2010-11ChampionsMetropolitan PoliceRunner-upBognor Regis Town
- 2009-10ChampionsCroydon AthleticRunner-upFolkestone Invicta
- 2008-09ChampionsKingstonianRunner-upCray Wanderers
- 2007-08ChampionsDover AthleticRunner-upTooting & Mitcham United
- 2006-07ChampionsMaidstone UnitedRunner-upTooting & Mitcham United
- 2005-06
- 2004-05ChampionsAFC WimbledonRunner-upWalton & Hersham
- 2003-04
- 2002-03ChampionsCarshalton AthleticRunner-upBognor Regis Town
- 2001-02ChampionsFord UnitedRunner-upBishop's Stortford
- 2000-01ChampionsBoreham WoodRunner-upBedford Town
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources