The 1956 Rugby League Lancashire Cup competition 1956 was the forty-fourth occasion on which the Lancashire Cup completion had been held.Oldham won the trophy by beating St Helens by the score of 10-3The match was played at Central Park, Wigan, (historically in the county of Lancashire). The excellent attendance was 39,544 and receipts were £6,274 This was the first of Oldham's three consecutive triumphs. 1958 would be the last time they would win the trophy, although they did later appear 4 times as runners-up (in 1966, 1969, 1987 and 1989