The 1921–22 Northern Rugby Football Union season was the 27th season of rugby league football.

Season summary

Featherstone Rovers joined the competition this season. In November, winger Harold Buck became rugby league's first £1,000 transfer when he moved from Hunslet to Leeds. Oldham had ended the regular season as the league leaders. Wigan won their second ever Championship this season when they defeated Oldham 13–2 in the play-off final. The 1921–22 Kangaroo tour of Great Britain also took place during the season, with many of the clubs playing games against the visiting Australasian team. Oldham won the Lancashire League, and Huddersfield won the Yorkshire League. Warrington beat Oldham 7–5 to win the Lancashire Cup, and Leeds beat Dewsbury 11–3 to win the Yorkshire County Cup.

Championship

Championship play-off

Challenge Cup

The 1921–22 Challenge Cup was won by Rochdale Hornets who defeated Hull F.C. 10–9 in the final at Headingley, Leeds on Saturday 6 May 1922, in front of a crowd of 32,596. This was Rochdale's first Challenge Cup Final win in their first, and as of 2017 their only, Challenge Cup Final appearance.

Sources