Aaro
| Name | Aaro |
| Type | Steamer |
| GRT | 2,603 tons |
| Country |  British |
| Built | 1909 |
| Builder | Earle’s SB. & Eng. Co., Ltd., Hull |
| Operator | T. Wilson, Sons & Co., Ltd., Hull |
| History | Cargo vessel with passenger accomidations. |
U-boat attacks on Steamer Aaro
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 1 Aug 1916 | U 20 (Walther Schwieger) | Sunk | About 25 miles SW of Stavanger | Hull - Christiania | 3 | ||
| Rest of crew taken prisoner | ||||||||
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