Australien
| Name | Australien |
| Type | Passenger steamer |
| GRT | 6,377 tons |
| Country |  French |
| Built | 1889 |
| Builder | Cie. des Messageries Maritimes, La Ciotat |
| Operator | Cie. des Messageries Maritimes, Marseille |
| History |
U-boat attacks on Passenger steamer Australien
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 19 Jul 1918 | UC 54 (Otto Loycke) | Sunk | 26 miles NE of Cap Bon | Marseille - Port Said | 0 |
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