1999–2000 Southern Football League

The 1999–2000 season was the 97th for the Southern Football League. At the end of the previous season Midland Division was renamed Western Division, and Southern Division was renamed Eastern Division.

Boston United won the Premier Division and earned promotion to the Football Conference. Atherstone United, Gloucester City, Grantham Town and Rothwell Town were relegated from the Premier Division, whilst Folkestone Invicta, Moor Green, Fisher Athletic and Stafford Rangers were promoted from the Eastern and Western divisions, the former two as champions. Fleet Town, Yate Town and Stourbridge were relegated to the eighth level whilst Raunds Town resigned from the league.

Premier Division
The Premier Division consisted of 22 clubs, including 18 clubs from the previous season and four new clubs:
 * Two clubs promoted from the Midland Division:
 * Clevedon Town
 * Newport, who also changed name to Newport County.


 * Two clubs promoted from the Southern Division:
 * Havant & Waterlooville
 * Margate

Eastern Division
The Eastern Division consisted of 22 clubs, including 16 clubs from the previous season Southern Division and six new clubs:
 * Three clubs transferred from the Midland Division:
 * Stamford
 * VS Rugby
 * Wisbech Town


 * Plus:
 * Burnham, promoted from the Hellenic League
 * Hastings Town, demoted from the Premier Division
 * Spalding United, promoted from the United Counties League

Western Division
The Western Division consisted of 22 clubs, including 16 clubs from the previous season Midland Division and six new clubs:
 * Two clubs transferred from the Southern Division:
 * Cirencester Town
 * Yate Town


 * Two clubs relegated from the Premier Division:
 * Bromsgrove Rovers
 * Gresley Rovers


 * Plus:
 * Rocester, promoted from the Midland Alliance
 * Tiverton Town, promoted from the Western League