The 1978 Rugby League Lancashire Cup competition 1978 was the sixty-sixth occasion on which the Lancashire Cup completion had been held. Widnes won the trophy by beating Workington Town by the score of 15-13The match was played at Central Park, Wigan, (historically in the county of Lancashire). The attendance was 10,020 and receipts were £6,261.00After relatively little success in the competition, Workington Town had reached the semi-final stage in 1973, 1974 and 1975, had been runner-up in 1976, winner in 1977, and now runners-up again in 1978. They would go on to be runners-up again in 1979; not a bad eight year record.