Warilda
| Name | Warilda |
| Type | Passenger steamer |
| GRT | 7,713 tons |
| Country |  British |
| Built | 1912 |
| Builder | W. Beardmore & Co., Ltd., Glasgow |
| Operator | Adelaide SS. Co., Ltd., Port Adelaide |
| History | Armed ambulance transport carrying casualties when sunk. |
U-boat attacks on Passenger steamer Warilda
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Aug 1918 | UC 49 (Hans Kükenthal) | Sunk | 32 miles SSW of the Owers LV | 50.10N, 00.13W | Havre - Southampton | casualties | 123 |
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