2023–24 Southern Football League

The 2023–24 Southern Football League season was the 121st in the history of the Southern League since its establishment in 1894. The league has two Premier divisions (Central and South) at Step 3 of the National League System (NLS) and two Division One divisions (Central and South) at Step 4. These correspond to levels 7 and 8 of the English football league system.

The allocations for Step 4 this season were announced by The Football Association (FA) on 15 May 2023.

Premier Division Central
Premier Division Central comprises 22 teams, 14 of which competed in the previous season.

Team changes
Relegated from the National League North
 * To the Premier Division Central
 * AFC Telford United
 * Kettering Town
 * Leamington

Promoted from the Northern Premier League Division One Midlands
 * Halesowen Town
 * Stamford

Promoted from the Northern Premier League East Division
 * Long Eaton United

Promoted from Division One Central
 * Berkhamsted

Promoted from the Isthmian League North Division
 * AFC Sudbury

Promoted to the National League North
 * From the Premier Division Central
 * Tamworth
 * Rushall Olympic

Transferred to the Northern Premier League Premier Division
 * Basford United
 * Ilkeston Town

Relegated to Division One Central
 * Kings Langley
 * Bedford Town

Relegated to the Northern Premier League Division One West
 * Hednesford Town

Relegated to the Northern Premier League Division One Midlands
 * AFC Rushden & Diamonds

Premier Division South
Premier Division South comprises 22 teams, 16 of which competed in the previous season.

Team changes
Promoted from Division One Central
 * To the Premier Division South
 * Didcot Town

Promoted from Division One South
 * AFC Totton
 * Sholing

Promoted from the Isthmian League South Central Division
 * Basingstoke Town
 * Walton & Hersham

Relegated from the National League South
 * Hungerford Town

Promoted to the National League South
 * From the Premier Division South
 * Truro City
 * Weston-super-Mare

Relegated to Division One Central
 * North Leigh

Relegated to Division One South
 * Yate Town

Relegated to the Isthmian League South Central Division
 * Hartley Wintney
 * Metropolitan Police

Division One Central
Division One Central comprises 19 teams, 14 of which competed in the previous season.

Team changes
Promoted from the Spartan South Midlands League Premier Division
 * To Division One Central
 * Leighton Town
 * Stotfold

Relegated from the Premier Division Central
 * North Leigh

Relegated from the Premier Division South
 * Bedford Town
 * Kings Langley

Promoted to the Premier Division Central
 * From Division One Central
 * Berkhamsted

Promoted to the Premier Division South
 * Didcot Town

Relegated to the Hellenic League Premier Division
 * Highworth Town

Relegated to the Spartan South Midlands League Premier Division
 * FC Romania

Resigned from the league, joined the Eastern Counties League
 * Harlow Town

Transferred to the Isthmian League North Division
 * Walthamstow

Division One South
Division One South comprises 20 teams, 15 of which competed in the previous season.

Team changes
Promoted from the Hellenic League Premier Division
 * To Division One South
 * Cribbs
 * Malvern Town

Promoted from the Wessex League Premier Division
 * Bemerton Heath Harlequins

Promoted from the Western League Premier Division
 * Mousehole

Relegated from the Premier Division South
 * Yate Town

Promoted to the Premier Division South
 * From Division One South
 * AFC Totton
 * Sholing

Relegated to the Hellenic League Premier Division
 * Cinderford Town
 * Slimbridge

Relegated to the Wessex League Premier Division
 * Lymington Town