Calliope
| Name | Calliope |
| Type | Steamer |
| GRT | 2,883 tons |
| Country |  British |
| Built | 1900 |
| Builder | W. Pickersgill & Sons, Sunderland |
| Operator | Calliope SS. Co., Ltd. (Petersen & Co., Ltd.), London |
| History |
U-boat attacks on Steamer Calliope
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 12 Jul 1917 | U 155 (Karl Meusel) | Sunk | about 150 miles north of Madeira. Sunk with all hands and posted as missing. | Sevilla - Newport, Mon | ore | 27 |
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