The 2023–24 season was the 126th in the history of the Northern Football League, a football competition in England.
The allocations for Steps 5 and 6 this season were announced by the Football Association on 15 May 2023.
[1] Starting this season, the league's Division One (Step 5) 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 was only one club relegated from the division.