Osmanieh
| Name | Osmanieh |
| Type | Fleet messenger
|
| GRT | 4,041 tons |
| Country | British |
| Built | 1906
|
| Builder | Swan, Hunter & Wigham Richardson, Ltd., Newcastle
|
| Operator | Royal Navy
|
| History | Peace-time operator: Khedivial Mail Steamship & Graving Dock Co., Ltd., London
|
U-boat attacks on Fleet messenger Osmanieh
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties |
| 1 | 31 Dec 1917 | UC 34 (Horst Obermüller) | Sunk | Mined at the entrance to Alexandria Harbour
|
|
| troops and medical personnel
| 198
|
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