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.
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.
[1] Involved 6 matches (with one bye and one "blank" fixture) and 13 clubs Involved 3 matches (with one bye) and 7 clubs Involved 2 matches and 4 clubs The match was played at Station Road, Pendlebury, Salford, (historically in the county of Lancashire).