Maria
| Name | Maria |
| Type | Sailing vessel |
| GRT | 35 tons |
| Country |  Greek |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel Maria
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 19 Jun 1917 | UC 23 (Johannes Kirchner) | Sunk | Northern Aegean |
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