Jean Bart Ii
| Name | Jean Bart Ii |
| Type | Auxiliary patrol vessel |
| GRT | 475 tons |
| Country |  French |
| Built | 1909 |
| Builder | Atel. & Chant. de France, Dunkerque |
| Operator | French Navy |
| History | Peace-time operator: Cie. des Bateaux à Vapeur du Nord, Dunkerque |
U-boat attacks on Auxiliary patrol vessel Jean Bart Ii
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 2 Feb 1916 | k.u.k. U4 (Rudolf Singule) | Sunk | Torpedoed off Durazzo, 6 miles SW of Cape Laghi | 41.08N, 19.20E | 18 |
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