The 1965–66 Southern Football League season was the 63rd in the history of the league, an English football competition.
Weymouth won the championship for the second time in a row, whilst Barnet,
Bath City
Bath City Football Club is a semi-professional football club based in Bath, Somerset, England. The club is affiliated to the Somerset FA and currently competes in the National League South, the sixth tier of English football. The club have ...
,
Burton Albion
Burton Albion Football Club is a professional association football club in the town of Burton upon Trent, Staffordshire, England. The team compete in League One, the third tier of the English football league system. The club moved its home grou ...
and Hillingdon Borough were all promoted to the Premier Division. Nine Southern League clubs applied to join
the Football League
The English Football League (EFL) is a league of professional association football, football clubs from England and Wales. Founded in 1888 as the Football League, the league is the oldest such competition in Association football around the wor ...
at the end of the season, but none were successful.
Premier Division
The Premier Division consisted of 22 clubs, including 18 clubs from the previous season and four new clubs, promoted from Division One:
*
Corby Town
Corby Town Football Club is a football club based in Corby, Northamptonshire, England. They are currently members of the and play at Steel Park.
History
The club was established in 1948, taking over from Stewarts & Lloyds as the main team ...
*
Hereford United
Hereford United Football Club was an association football club based in Hereford, England. They played at Edgar Street for their entire history. They were nicknamed 'The Whites' or 'The Lilywhites', after their predominantly white kit, or 'Th ...
Division One expanded up to 24 clubs, including 18 clubs from the previous season and six new clubs:
*Four clubs relegated from the Premier Division:
**
Bath City
Bath City Football Club is a semi-professional football club based in Bath, Somerset, England. The club is affiliated to the Somerset FA and currently competes in the National League South, the sixth tier of English football. The club have ...
Athenian League
The Athenian League was an English amateur football league for clubs in and around London. The league was originally to be called the Corinthian League,Athenian Football League minutes 1912-1921 (National Football Museum, Preston). but this nam ...