1930–31 Northern Rugby Football League season
| 1930–31 Northern Rugby Football League season | |
|---|---|
| League | Championship | 
| Duration | 38 Rounds | 
| Teams | 28 | 
| Champions | Swinton (3rd title) | 
| League Leaders | Swinton | 
| Runners-up | Leeds | 
| Top point-scorer(s) | Jim Sullivan ( Wigan Warriors) (278) | 
| Top try-scorer(s) | Eric Harris ( Leeds) (58) | 
The 1930–31 Rugby Football League season was the 36th season of rugby league football.