Margam Abbey
| Name | Margam Abbey |
| Type | Steamer |
| GRT | 4,471 tons |
| Country |  British |
| Built | 1907 |
| Builder | Ropner & Son, Stockton |
| Operator | Margam Abbey SS. Co., Ltd. (Williams & Mordey), Port Talbot |
| History | Trunk deck steamer. |
U-boat attacks on Steamer Margam Abbey
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 10 Apr 1916 | U 66 (Thorwald von Bothmer) | Sunk | 55 miles SW1/4S of the Lizard | Bordeaux - Barry | in ballast | 0 | |
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