Margaretha
| Name | Margaretha |
| Type | Steamer |
| GRT | 2,092 tons |
| Country |  Italian |
| Built | 1889 |
| Builder | R. Craggs & Sons, Middlesbrough |
| Operator | Giacomo Calo, Rome |
| History |
U-boat attacks on Steamer Margaretha
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 13 Oct 1916 | k.u.k. U4 (Rudolf Singule) | Sunk | 40° 01'N, 17° 44'E |
Position of attack on Margaretha
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