The 1986 Rugby League Lancashire Cup competition 1986 was the seventy-fourth occasion on which the Lancashire Cup completion had been held.Wigan won the trophy by beating Oldham by the score of 27-6The match was played at Knowsley Road, Eccleston, St Helens, Merseyside, (historically in the county of Lancashire). The attendance was 20,180 and receipts were £60,329.00This was Wigan’s third appearance in three years and a second victory in what would a run of four victories and five appearances in five successive years.The attendance was again at a very pleasing level, the third of the five year period when it would reach around the 20,000 level, and the receipts reached a new near record level