2004–05 Sussex County Football League

The 2004–05 Sussex County Football League season was the 80th 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:
 * Eastbourne United Association
 * Littlehampton Town
 * Worthing United

Division Two
Division Two featured 14 clubs which competed in the division last season, along with four new clubs.
 * Clubs relegated from Division One:
 * Selsey
 * Shoreham
 * Clubs promoted from Division Three:
 * Crowborough Athletic
 * St Francis Rangers

Division Three
Division Three featured eleven clubs which competed in the division last season, along with two new clubs:
 * Haywards Heath Town, relegated from Division Two
 * Rustington, joined from the West Sussex League