1974–75 Northern Rugby Football League season
| 1974–75 Rugby Football League season | |
|---|---|
| League | Championship |
| Champions | St. Helens |
| Premiership | Leeds |
| Top point-scorer(s) | Neil Fox (333) |
| Top try-scorer(s) | Gerald Dunn (42) |
| Promotion and relegation | |
| Promoted from Second Division | |
| Relegated to Second Division | |
The 1974–75 Rugby Football League season was the 80th season of competition between the clubs of England's Northern Rugby Football League. The season's First Division Championship featured 16 clubs and was won by St. Helens. The Challenge Cup was won by Widnes.