Maria Adriana
| Name | Maria Adriana |
| Type | Sailing vessel |
| GRT | 88 tons |
| Country |  Dutch |
| Built | 1899 |
| Builder | |
| Operator | Reederij T. Tommes, Delfzijl |
| History |
U-boat attacks on Sailing vessel Maria Adriana
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 25 Feb 1917 | UB 40 (Hans Howaldt) | Sunk | Stopped and scuttled off Cap Barfleur | Le Havre - Teignmouth | in ballast |
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