The 2022–23 season was the 26th in the history of the Spartan South Midlands Football League, a football competition in England. The league operates three divisions, two of which are in covered in this article, the Premier Division, at Step 5 and Division One at Step 6 of the English football league system.
The league constitution for this season was based on allocations for Steps 5 and 6 that were announced by The Football Association on 12 May 2022, and were subject to appeals.[1]
Leighton Town were champions, winning first Spartan South Midlands League title and returned to the Southern League after seven seasons in the Spartan South Midlands League. Runners-up Stotfold won inter-step play-off match and joined then achieving second straight promotion.
| Competition: | Spartan South Midlands Football League Premier Division |
| Season: | 2022–23 |
| Winners: | Leighton Town |
| Promoted: | Leighton Town Stotfold |
| Relegated: | Hoddesdon Town London Colney |
| Matches: | 380 |
| Total Goals: | 1249 |
| Prevseason: | 2021–22 |
| Nextseason: | 2023–24 |
The Premier Division featured twelve clubs which competed in the division last season, along with eight new clubs.
| Competition: | Spartan South Midlands Football League Division One |
| Season: | 2022–23 |
| Winners: | Real Bedford |
| Promoted: | Real Bedford Rugby Borough |
| Relegated: | London Tigers Thame Rangers |
| Matches: | 380 |
| Total Goals: | 1496 |
| Prevseason: | 2021–22 |
| Nextseason: | 2023–24 |
Division One featured 14 clubs which competed in the division last season, along with six new clubs:
Also, Bedford changed their name to Real Bedford.
| Competition: | Spartan South Midlands Football League Division Two |
| Season: | 2022–23 |
| Winners: | Old Bradwell United |
| Promoted: | Leighton Town development |
| Matches: | 272 |
| Total Goals: | 1175 |
| Prevseason: | 2021–22 |
| Nextseason: | 2023–24 |
Division Two featured 15 clubs which competed in the division last season, along with two new clubs: