The 1923–24 Northern Rugby Football League season was the 29th season of rugby league football.

Wigan had ended the regular season as the league leaders and won the Challenge Cup by defeating Oldham 21–4 in the final.

St Helens Recs beat Swinton 17–0 to win the Lancashire Cup, and Hull F.C.

beat Huddersfield 10–4 to win the Yorkshire County Cup.

Wigan beat Oldham 21–4 in the final played at Rochdale before a crowd of 41,381.