The 1997–98 Sussex County Football League season was the 73rd in the history of Sussex County Football League a football competition in England.
[1][2] Division One featured 17 clubs which competed in the division last season, along with three new clubs, promoted from Division Two: Division Two featured 13 clubs which competed in the division last season, along with five new clubs.
Also, East Grinstead changed name to East Grinstead Town.
Division Three featured twelve clubs which competed in the division last season, along with four new clubs: Also, Sun Alliance changed name to Royal Sun Alliance.