1979–80 Southern Football League
      The 1979–80 Southern Football League season saw the league split into Midland and Southern Divisions after 13 clubs had left the previous season to establish the Alliance Premier League.[1] Bridgend Town won the Midland Division, whilst Dorchester Town won the Southern Division. Bridgend were declared Southern League champions after defeating Dorchester 3–0 at home and 2–1 away to win a championship play-off.[2] There was no promotion to the Alliance Premier League and no relegation to feeder leagues.
Final tables
Midland Division
Aside from the four clubs that had left to join the Northern Premier League, the Midland Division was largely based on Division One North from the previous season, with the addition of:
- Bridgend Town (from the Premier Division)
- Cheltenham Town (from the Premier Division)
- Minehead (from the Southern League)
- Trowbridge Town (from the Southern League)
- Taunton Town (from the Southern League)
- Witney Town (from the Premier Division)
Southern Division
Aside from the three clubs that were transferred to the Midland Division, the Southern Division was largely based on Division One South from the previous season, with the addition of:
- Dartford (from the Premier Division)
- Dorchester Town (from the Premier Division)
- Hastings United (from the Premier Division)
- Hillingdon Borough (from the Premier Division)
- Margate (from the Premier Division)
References
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 |  |  | Football League |  | 
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 |  |  | | Club seasons |  |  |  | First Division | 
 Arsenal Aston Villa Bolton Wanderers Brighton & Hove Albion Bristol City Coventry City Crystal Palace Derby County Everton Ipswich Town Leeds United Liverpool Manchester City Manchester United Middlesbrough Norwich City Nottingham Forest Southampton Stoke City Tottenham Hotspur West Bromwich Albion Wolverhampton Wanderers
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 |  |  | Second Division |  | 
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 |  |  | Third Division | 
 Barnsley Blackburn Rovers Blackpool Brentford Bury Carlisle United Chester Chesterfield Colchester United Exeter City Gillingham Grimsby Town Hull City Mansfield Town Millwall Oxford United Plymouth Argyle Reading Rotherham United Sheffield United Sheffield Wednesday Southend United Swindon Town Wimbledon
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 |  |  | Fourth Division | 
 Aldershot Bournemouth Bradford City Crewe Alexandra Darlington Doncaster Rovers Halifax Town Hartlepool United Hereford United Huddersfield Town Lincoln City Newport County Northampton Town Peterborough United Port Vale Portsmouth Rochdale Scunthorpe United Southport Stockport County Torquay United Tranmere Rovers Walsall York City
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