The 1976–77 Challenge Cup was the 76th staging of rugby league's oldest knockout competition, the Challenge Cup.The final was contested by Leeds and Widnes at Wembley. Leeds beat Widnes 16-7 at Wembley in front of a crowd of 80,871. The winner of the Lance Todd Trophy was the Leeds prop, Steve Pitchford. This was Leeds’ tenth Cup Final win in fourteen Final appearances.