2001–02 Sussex County Football League

The 2001–02 Sussex County Football League season was the 77th in the history of Sussex County Football League a football competition in England.

Division One
Division One featured 17 clubs which competed in the division last season, along with three new clubs, promoted from Division Two:
 * Hailsham Town
 * Peacehaven & Telscombe
 * Southwick

Division Two
Division Two featured 13 clubs which competed in the division last season, along with five new clubs.
 * Clubs relegated from Division One:
 * East Preston
 * Eastbourne Town
 * Lancing
 * Clubs promoted from Division Three:
 * Rye United, who also changed name to Rye & Iden United
 * Seaford

Division Three
Division Three featured twelve clubs which competed in the division last season, along with four new clubs:
 * Crowborough Athletic, relegated from Division Two
 * Lingfield, relegated from Division Two
 * Pease Pottage Village
 * Upper Beeding