The 1963–64 Challenge Cup was the 63rd staging of rugby league's oldest knockout competition, the Challenge Cup.

[1] + Abandoned after 12 minutes of extra time due to bad light.

Widnes beat Hull Kingston Rovers 13–5 in the Challenge Cup played at Wembley Stadium on 9 May before a crowd of 84,488.

This was Widnes’ third Challenge Cup final win in five Final appearances.

[2] Frank Collier, their prop forward, was awarded the Lance Todd Trophy for his man-of-the-match performance.