Maria Johanna
| Name | Maria Johanna |
| Type | Fishing vessel (sail) |
| GRT | 126 tons |
| Country |  Dutch |
| Built | 1913 |
| Builder | De Nieuwe Maas, Vlaardingen |
| Operator | P. van Duyvenbode, Katwijk |
| History | Registration: KW125 |
U-boat attacks on Fishing vessel (sail) Maria Johanna
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 24 Aug 1918 | UB 111 (Egon von Werner) | Sunk | Stopped and scuttled E of Smith’s Knoll | 0 |
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