Katie L. Palmer
| Name | Katie L. Palmer |
| Type | Motor fishing vessel |
| GRT | 31 tons |
| Country |  American |
| Built | 1895 |
| Builder | ?, East Boothbay, ME |
| Operator | F.S. Williard Co., Portland, ME |
| History | "Gas screw" |
U-boat attacks on Motor fishing vessel Katie L. Palmer
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 10 Aug 1918 | U 117 (Otto Dröscher) | Sunk | Stopped and scuttled 60 miles S of Round Shoals, off Nantucket | 41.45N, 67.10W | 0 |
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