Clan Graham
| Name | Clan Graham |
| Type | Steamer |
| GRT | 5,213 tons |
| Country |  British |
| Built | 1907 |
| Builder | W. Doxford & Sons, Ltd., Sunderland |
| Operator | The Clan Line Steamers, Ltd. (Cayzer, Irvine & Co., Ltd.), Glasgow |
| History | Turret hull steamer. |
U-boat attacks on Steamer Clan Graham
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 4 Mar 1918 | UC 74 (Hans Adalbert von der Lühe) | Damaged | 15 miles SSE of Cape Sidero - badly damaged only | Avonmouth - Port Said | in ballast | 3 |
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