Caloria
| Name | Caloria |
| Type | Tanker |
| GRT | 4,095 tons |
| Country |  American |
| Built | 1906 |
| Builder | Armstrong, Whitworth & Co., Ltd., Newcastle |
| Operator | Standard Oil Co. (New Jersey), Bayonne, N.J. / New York |
| History | Built as a cargo vessel, converted into a tanker in 1912. |
U-boat attacks on Tanker Caloria
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 16 Oct 1918 | Damaged | 3 miles NNE of Strathy Point, north Scotland | Montreal - U.K. | 0 |
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