The 1930–31 Northern Football League season was the 38th in the history of the Northern Football League, a football competition in Northern England.
| Competition: | Northern League |
| Season: | 1930–31 |
| Winners: | Bishop Auckland |
| Matches: | 156 |
| Total Goals: | 722 |
| Prevseason: | 1929–30 |
| Nextseason: | 1931–32 |
The league featured 12 clubs which competed in the last season, along with one new club: