The 1933–34 Lancashire Cup was the twenty-sixth occasion on which the completion had been held. Oldham won the trophy by beating St Helens Recs by 12–0.
Background
The number of teams entering this year's competition remained at 13 and the same fixture format was retained. There was only one bye in the first round but now also a "blank" or "dummy" fixture. This also resulted in one bye in the second round.
The match was played at Station Road, Pendlebury, Salford, (historically in the county of Lancashire). The attendance was 9,085 and receipts £516 (both disappointing after last year's crowd of 28,500 and gate receipts of £1,675.