Isthmian Division One South East
- England
- 20 teams
Champions: Chatham Town · Promoted: Chatham Town, Whitehawk (play-offs)
Split from Isthmian Division One South (2002–now)
2022-23 · 20 clubs
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- 1Chatham Town
- 2Ramsgate
- 3Whitehawk
- 4Beckenham Town
- 5Hythe Town
- 6Cray Valley Paper Mills
- 7Sheppey United
- 8Sevenoaks Town
- 9Ashford United
- 10Chichester City
- 11Sittingbourne
- 12Littlehampton Town
- 13Lancing
- 14East Grinstead Town
- 15Three Bridges
- 16Burgess Hill Town
- 17VCD Athletic
- 18Haywards Heath Town
- 19Faversham Town
- 20Corinthian
Sources: Wikipedia, API-Football