W. H. Dwyer
| Name | W. H. Dwyer |
| Type | Steamer |
| GRT | 1,770 tons |
| Country |  Canadian |
| Built | 1913 |
| Builder | Sunderland SB. Co., Ltd., Sunderland |
| Operator | Forwarders, Ltd. (W. H. Dwyer), Kingston, Ont. |
| History | Aft-engined steamer. |
U-boat attacks on Steamer W. H. Dwyer
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 Aug 1917 | UB 38 (Wilhelm Amberger) | Sunk | Torpedoed 15 miles ExN of Berry Head | 50.18N, 03.11W | Rouen - Newport | in ballast | 0 |
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