The 2023–24 season was the 27th in the history of the Spartan South Midlands Football League, a football competition in England.
[1] Starting this season, the Step 5 Premier Division in the league promotes two clubs; one as champions and one via a four-team play-off.
This replaced the previous inter-step play-off system.
For this season only, there would have been only one club relegated from the Step 5 division.
Reserve and U23 sides are ineligible for promotion to Step 5 or higher.