The 1978–79 BBC2 Floodlit Trophy was the 14th staging of the BBC2 Floodlit Trophy competition, and was held in 1978. Previous two times runner-up Widnes won the trophy by beating the previous year's winners and cup holders St. Helens by 13-7. The match was played at Knowsley Road, Eccleston, St Helens, Merseyside. 10,250 fans attended, and the receipts were £7,017.