1920–21 Northern Rugby Football Union season
| 1920–21 Northern Rugby Football Union season | |
|---|---|
| League | Championship |
| Teams | 25 |
| Champions | Hull F.C. (2nd title) |
| League Leaders | Hull Kingston Rovers |
| Runners-up | Hull Kingston Rovers |
| Top point-scorer(s) | Jimmy Kennedy ( Hull F.C.) (264) |
| Top try-scorer(s) | Billy Stone ( Hull F.C.) (41) |
The 1920–21 Northern Rugby Football Union season was the 26th season of rugby league football.