De Dollart
| Name | De Dollart |
| Type | Auxiliary motor |
| GRT | 243 tons |
| Country |  Dutch |
| Built | 1917 |
| Builder | |
| Operator | Maatschappij Bestevaer, Amsterdam |
| History | Sailing vessel, probably a schooner, fitted with an auxiliary motor |
U-boat attacks on Auxiliary motor De Dollart
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 15 Nov 1917 | U 82 (Hans Adam) | Sunk | Sunk by gunnery SW of Vigo | Amsterdam - Lisbon | tobacco, gin, paper machinery | 3 |
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