Hermes
| Name | Hermes |
| Type | Sailing vessel |
| GRT | 1,019 tons |
| Country |  Russian |
| Built | 1875 |
| Builder | Palmers & Co., Newcastle |
| Operator | Robert Mattsson, Mariehamn |
| History |
U-boat attacks on Sailing vessel Hermes
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 4 Apr 1915 | U 33 (Konrad Gansser) | Sunk | 35 miles S of St. Catherine’s Pt | 50.17N, 00.55W | London - Port Arthur | in ballast |
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