Liga Isthmian Inggris 2019–20

Musim Liga Isthmian 2019-20 adalah musim ke-105 Liga Isthmian, yang merupakan kompetisi sepakbola Inggris yang menampilkan klub-klub semi-profesional dan amatir dari London, Inggris Timur dan Tenggara. Ini adalah musim kedua yang terdiri dari empat divisi setelah liga mereorganisasi mantan Divisi Selatan menjadi divisi Selatan Tengah dan Tenggara yang baru.
 Divisi Primer 

 Perubahan Tim 

Promosi
Promoted from the North Division
 Bowers & Pitsea

Promoted from the South Central Division
 Cheshunt

Promoted from the South East Division
 Cray Wanderers
 Horsham

Relegated from the National League South
 East Thurrock United

From the Premier Division
Promoted to the National League South
 Dorking Wanderers
 Tonbridge Angels

Relegated to the South Central Division
 Harlow Town

Relegated to the South East Division
 Burgess Hill Town
 Whitehawk

 Klasemen Divisi Primer 

 Tabel Hasil 

 Stadion dan Lokasi 

 Klub Lokasi Stadion KapasitasBishop's Stortford  Bishop's Stortford  Woodside Park  4,525Bognor Regis Town  Bognor Regis  Nyewood Lane  4,500Bowers & Pitsea  Pitsea  Len Salmon Stadium  2,000Brightlingsea Regent  Brightlingsea  North Road  2,000Carshalton Athletic  Carshalton  War Memorial Sports Ground  5,000Cheshunt  Cheshunt  Theobalds Lane  3,000Corinthian-Casuals  Tolworth  King George's Field  2,700Cray Wanderers  St Mary Cray  Hayes Lane (groundshare with Bromley)  6,000East Thurrock United  Corringham  Rookery Hill  4,000Enfield Town  Enfield  Queen Elizabeth II Stadium  2,500Folkestone Invicta  Folkestone  Cheriton Road  4,000Haringey Borough  Tottenham  Coles Park  2,500Hornchurch Hornchurch  Hornchurch Stadium 3,500Horsham Horsham  The Camping World Community Stadium  1,300Kingstonian  Kingston upon Thames  King George's Field (groundshare with Corinthian-Casuals )  2,700Leatherhead  Leatherhead  Fetcham Grove  3,400Lewes  Lewes  The Dripping Pan  3,000Margate  Margate  Hartsdown Park  3,000Merstham  Merstham  Moatside  2,000Potters Bar Town  Potters Bar  Parkfield  2,000Wingate & Finchley  Finchley  The Maurice Rebak Stadium  1,500Worthing  Worthing  Woodside Road  4,000

 Divisi Utara 

 Perubahan Tim 

Ke North Division
Promosi from the Eastern Counties League
 Histon

Promoted from the Essex Senior League
 Hullbridge Sports

Transferred from the Southern Football League
 Cambridge City

From the North Division
Promoted to the Premier Division
 Bowers & Pitsea

Transferred to the Division One Central
 Barking

Relegated to the Eastern Counties League
 Mildenhall Town

 Klasemen Divisi Utara 

 Tabel Hasil 

 Divisi Pusat Selatan 

 Team changes 

To the South Central Division
Promoted from the Combined Counties League
 Chertsey Town

Transferred from the Division One North
 Barking

Relegated from the Premier Division
 Harlow Town

Relegated from the Southern Football League
 Staines Town

From the South Central Division
Promoted to the Premier Division
 Cheshunt

Promoted to the Southern Football League
 Hayes & Yeading United

Relegated to the Combined Counties League
 Egham Town
 Molesey

 Tabel Divisi Pusat Selatan 

 Divisi Tenggara 

 Perubahan Tim 

To the South East Division
Promoted from the Southern Combination League
 Chichester City

Promoted from the Southern Counties East League
 Cray Valley Paper Mills

Relegated from the Premier Division
 Burgess Hill Town
 Whitehawk

From the South East Division
Promoted to the Premier Division
 Cray Wanderers
 Horsham

Relegated to the Southern Counties East League
 Greenwich Borough

Club folded during previous season
 Thamesmead Town

 South East Division table 

 Referensi