2008–09 Sussex County Football League

The 2008–09 Sussex County Football League season was the 84th 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:
 * East Grinstead Town, promoted from Division Two
 * Horsham YMCA, relegated from the Isthmian League
 * Lingfield, promoted from Division Two

Division Two
Division Two featured 14 clubs which competed in the division last season, along with four new clubs.
 * Clubs relegated from Division One:
 * Rye United
 * Sidley United
 * Clubs promoted from Division Three:
 * Bexhill United
 * Loxwood

Division Three
Division Three featured eleven clubs which competed in the division last season, along with three new clubs:
 * Broadbridge Heath, relegated from Division Two
 * Clymping, joined from the West Sussex League
 * Pease Pottage Village, relegated from Division Two