The 1919–20 Challenge Cup was the 20th staging of rugby league's oldest knockout competition, the Challenge Cup.

First round Date Team one Score one Team two Score two21 FebBarrow 17 Hull Kingston Rovers 421 FebBatley 19 Salford 0 21 FebBradford Northern 2 Oldham 221 FebBramley 13 Wigan Highfield 021 FebBrookland 0 Halifax 5521 FebFeatherstone Rovers 2 Broughton Rangers 1721 FebHuddersfield 19 Swinton 021 FebHull FC 75 Hull BOCM 221 FebHunslet 0 St Helens Recs 921 FebKeighley 5 York 721 FebMillom 5 Leeds 4421 FebRochdale Hornets 10 Dewsbury 721 FebSt Helens 2 Wakefield Trinity 221 FebWarrington 9 Askham 021 FebWidnes 3 Leigh 021 FebWigan 64 Healey St Adults 3 23 FebOldham 28 Bradford Northern 324 FebWakefield Trinity 2 St Helens 226 FebWakefield Trinity 12 St Helens 3

Second round Date Team one Score one Team two Score two28 FebBramley 5 Broughton Rangers 328 FebHull FC 29 Batley 1028 FebOldham 9 Warrington 028 FebRochdale Hornets 0 Leeds 528 FebSt Helens Recs 9 Barrow 228 FebWakefield Trinity 2 Huddersfield 328 FebWidnes 4 Halifax 028 FebWigan 35 York5

Quarterfinals Date Team one Score one Team two Score two13 MarBramley 0 Wigan 1013 MarHuddersfield 2 St Helens Recs 213 MarOldham 9 Leeds 013 MarWidnes 0 Hull FC 317 MarSt Helens Recs 6 Huddersfield 8

Semifinals Date Team one Score one Team two Score two27 Mar Huddersfield 17 Oldham 027 Mar Wigan 12 Hull FC 5

Final Huddersfield defeated Wigan 21-10 in the Challenge Cup Final played at Headingley, Leeds in front of a crowd of 14,000.

This was Huddersfield’s third Challenge Cup final win in their third final appearance. They retained the trophy, having won the Cup in the last season before the suspension due to the First World War.

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