The 1980–81 Sussex County Football League season was the 56th 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: Hastings Town Three Bridges
League table
Division Two
Division Two featured twelve clubs which competed in the division last season, along with two new clubs relegated from Division One: Haywards Heath Rye United
League table
References