The 1948–49 Northern Football League season was the 51st in the history of the Northern Football League, a football competition in Northern England.[1]
| Competition: | Northern League |
| Season: | 1948–49 |
| Winners: | Evenwood Town |
| Matches: | 182 |
| Total Goals: | 816 |
| Prevseason: | 1947–48 |
| Nextseason: | 1949–50 |
The league featured 13 clubs which competed in the last season, along with one new club: