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	Huddersfield Hull Kingston Rovers Oldham Swinton
Relegated to Second Division	York Bramley Rochdale Hornets Halifax
← 1973–74 Seasons 1975–76 →

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.

St. Helens won their seventh Championship. York, Bramley, Rochdale Hornets and Halifax were demoted to the Second Division.

The Challenge Cup Winners were Widnes who beat Warrington 14-7 in the final.

Players No.6 Trophy Winners were Bradford Northern who beat Widnes 3-2 in the final.

Rugby League Premiership Trophy Winners were Leeds who beat St. Helens 26-11 in the final.

BBC2 Floodlit Trophy Winners were Salford who beat Warrington 10-5 in a replay after a 0-0 draw in the final.

2nd Division Champions were Huddersfield, and they, Hull Kingston Rovers, Oldham and Swinton were promoted to the First Division.