Guido
| Name | Guido |
| Type | Steamer |
| GRT | 2,093 tons |
| Country |  British |
| Built | 1913 |
| Builder | Dunlop, Bremner & Co., Ltd., Port Glasgow |
| Operator | T. Wilson, Sons & Co., Ltd., Hull |
| History |
U-boat attacks on Steamer Guido
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Jul 1915 | U 25 (Otto Wünsche) | Sunk | 27 miles NE1/4N of Rattray Head | 58° 03'N, 1° 28'W | London & Hull - Archangelsk | general cargo | 0 |
| 58.17N, 01.22W per KTB | ||||||||
Position of attack on Guido
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