1975–76 Sussex County Football League

The 1975–76 Sussex County Football League season was the 51st 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:
 * Burgess Hill Town
 * Rye United

Division Two
Division Two featured ten clubs which competed in the division last season, along with three new clubs:
 * Hailsham Town, joined from the Southern Counties Combination League
 * Portfield, relegated from Division One
 * Sidley United, relegated from Division One