Allendale
| Name | Allendale |
| Type | Steamer |
| GRT | 2,153 tons |
| Country |  British |
| Built | 1917 |
| Builder | Osbourne, Graham & Co., Ltd., Sunderland |
| Operator | Furness, Withy & Co., Ltd., London |
| History |
U-boat attacks on Steamer Allendale
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 27 Mar 1918 | U 101 (Carl-Siegfried Ritter von Georg) | Sunk | 52 miles SxW of the Lizard | 49° 50'N, 5° 50'W | Ardrossan - Bordeaux | coal | 1 |
Position of attack on Allendale
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