The 1912 Lancashire Cup was the eighth year of this regional rugby league competition. The cup was won by Wigan who beat the holders Rochdale Hornets in the final at The Willows, Salford by a score of 21–5. The attendance at the final was 6,000 and receipts £200.
Background
As in 1911 the 12 semi-professional clubs and Warwickshire side Coventry. With a total of entrants 13, there were three byes in the first round