1985–86 Sussex County Football League

The 1985–86 Sussex County Football League season was the 61st 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:
 * Chichester City
 * Shoreham

Division Two
Division Two featured 13 clubs which competed in the division last season, along with three new clubs:
 * Bosham, promoted from Division Three
 * Oakwood, promoted from Division Three
 * Wick, relegated from Division One

Division Three
Division Three featured twelve clubs which competed in the division last season, along with three new clubs:
 * APV Athletic
 * Bexhill Town, relegated from Division Two
 * Leftovers Sports Club