The 1932–33 Northern Rugby Football League season was the 38th season of rugby league football. Salford won their second Rugby Football League Championship when they beat Swinton 15-5 in the play-off final. They had also finished the regular season as league leaders. The Challenge Cup winners were Huddersfield who beat Warrington 21-17 in the final. Salford won the Lancashire League, and Castleford won the Yorkshire League. Warrington beat St.Helens 10–9 to win the Lancashire Cup, and Leeds beat Wakefield Trinity 8–0 to win the Yorkshire Cup. This season, Widnes' Jimmy Hoey became rugby league's first player to play and score in every one of his club's matches in an entire season.
Championship
Play-off
Challenge Cup
Huddersfield beat Warrington 21-17 in the final at Wembley before a crowd of 41,784. This was Huddersfield’s fourth Cup Final win in as many Cup Final appearances, and they became the first team to win the trophy more than three times. This was also the fifth Cup Final defeat for Warrington.