Arlequin
| Name | Arlequin |
| Type | Sailing vessel |
| GRT | 6 tons |
| Country |  Tunesian |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel Arlequin
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 13 Sep 1917 | UC 52 (Ludwig Karl Sahl) | Sunk | Gulf of Gabes |
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