The 1971 Lancashire Cup was the fifty-ninth occasion on which the completion had been held. Wigan won the trophy by beating Widnes by the score of 15-8 in the final. The match was played at Knowsley Road, Eccleston, St Helens, Merseyside, (historically in the county of Lancashire). The attendance was 6,970 and receipts were £2,204.00 (the first final after the UK went decimal)