German submarine U-72
U 72 may refer to:
- SM U 72, a submarine of the Imperial Navy in the First World War
- U 72 cable, a common type of cable in Switzerland
- U 72 ( Kriegsmarine ), a submarine of the German Wehrmacht in World War II
- Which is currently under construction line U72 in the network of Düsseldorf Stadtbahn; see list of Düsseldorf Stadtbahn lines
- Disambiguation
- Abbreviation