Cleo
| Name | Cleo |
| Type | Sailing vessel |
| GRT | 92 tons |
| Country |  Swedish |
| Built | 1904 |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel Cleo
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 15 Jun 1917 | UC 58 (Karl Vesper) | Sunk | Mined 5.5 miles W of the Rönnskärs Baak near Wasa | Stockholm - Wasa | general cargo |
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