The 2009–10 East Midlands Counties Football League season was the second in the history of East Midlands Counties Football League, a football competition in England.
| Competition: | East Midlands Counties Football League |
| Season: | 2009–10 |
| Winners: | Dunkirk |
| Promoted: | Dunkirk |
| Matches: | 380 |
| Total Goals: | 1553 |
| Prevseason: | 2008–09 |
| Nextseason: | 2010–11 |
The league featured 17 clubs from the previous season, along with three new clubs: