The 1911–12 Challenge Cup was the 16th staging of rugby league's oldest knockout competition, the Challenge Cup.[1]
The final was contested by Dewsbury and Oldham at Headingley Rugby Stadium in Leeds.[2]
The final was played on Saturday, 27 April 1912, where Dewsbury caused an upset to beat Oldham 8–5 at Headingley in front of a crowd of 15,271.[3][4]
Dewsbury won the Challenge Cup in their first appearance in the final.[5]