Martha Maria
| Name | Martha Maria |
| Type | Trawler |
| GRT | 176 tons |
| Country |  Dutch |
| Built | 1902 |
| Builder | P. Smit, Jr, Rotterdam |
| Operator | Nummer Een (Doggermaatschappij) , Vlaardingen |
| History | Registration: VL 199 |
U-boat attacks on Trawler Martha Maria
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 7 May 1917 | UB 20 (Hermann Glimpf) | Sunk | Stopped and sunk in the Hoofden | 52° 50'N, 4° 08'E | 0 |
Position of attack on Martha Maria
If you can help us with any additional information on this vessel then please contact us.