1987–88 Sussex County Football League

The 1987–88 Sussex County Football League season was the 63rd in the history of Sussex County Football League a football competition in England.

Division One
Division One featured 14 clubs which competed in the division last season, along with two new clubs, promoted from Division Two:
 * Pagham
 * Selsey

Division Two
Division Two featured eleven clubs which competed in the division last season, along with four new clubs.
 * Clubs relegated from Division One:
 * Chichester City
 * Midhurst & Easebourne
 * Clubs promoted from Division Three:
 * Crowborough Athletic
 * Langney Sports

Division Three
Division Three featured ten clubs which competed in the division last season, along with four new clubs:
 * Franklands Village, relegated from Division Two
 * Hassocks, demoted from Division Two
 * Mile Oak, joined from the Southern Counties Combination League
 * Sidley United, relegated from Division Two