Caucasian
| Name | Caucasian |
| Type | Tanker |
| GRT | 4,656 tons |
| Country |  British |
| Built | 1899 |
| Builder | Sir James Laing & Sons, Ltd., Sunderland |
| Operator | Petroleum SS. Co., Ltd. (Lane & Macandrew), London |
| History |
U-boat attacks on Tanker Caucasian
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 1 Jul 1915 | U 39 (Walter Forstmann) | Sunk | 80 miles S of the Lizard | London - New Orleans | creosote | 0 |
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