The 1997–98 Spartan South Midlands Football League season was the first in the history of Spartan South Midlands Football League.
The league consisted of 75 clubs divided into five divisions.
The division featured 13 clubs which competed in the previous season South Midlands League Senior Division, along with three new clubs.
The division featured 16 clubs which competed in the previous season South Midlands League Division One, along with one new club:
The division featured ten clubs which competed in the previous season Spartan League divisions One and Two, along with five clubs: