1976–77 Sussex County Football League

The 1976–77 Sussex County Football League season was the 52nd in the history of Sussex County Football League a football competition in England.

Division One
Division One featured 13 clubs which competed in the division last season, along with three new clubs:
 * Eastbourne Town, transferred from the Athenian League
 * Peacehaven & Telscombe, promoted from Division Two
 * Selsey, promoted from Division Two

Division Two
Division Two featured eleven clubs which competed in the division last season, along with three new clubs:
 * Arundel, relegated from Division One
 * Newhaven, relegated from Division One
 * Storrington, joined from the West Sussex League

Also, Hastings & St Leonards changed name to Hastings Town.