Mary Annie
| Name | Mary Annie |
| Type | Sailing vessel |
| GRT | 154 tons |
| Country |  British |
| Built | 1893 |
| Builder | D. Jones, Portmadoc |
| Operator | J. Jones, Carnarvon |
| History | Wooden three masted schooner. |
U-boat attacks on Sailing vessel Mary Annie
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 25 Mar 1917 | UC 69 (Erwin Waßner) | Sunk | Stoped and scuttled 28 miles SSW of Beachy Head | Glasgow - Tréport | coal | 0 |
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