The 1974–75 Sussex County Football League season was the 50th 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 two new clubs, promoted from Division Two: Three Bridges Wigmore Athletic

League table

Division Two

Division Two featured nine clubs which competed in the division last season, along with three new clubs: Crowborough Athletic Rye United, relegated from Division One Shoreham, relegated from Division One

League table

References