Owasco
| Name | Owasco |
| Type | Steamer |
| GRT | 4,630 tons |
| Country |  American |
| Built | 1893 |
| Builder | Harland & Wolff, Ltd., Belfast |
| Operator | U. S. Shipping Board, New York |
| History |
U-boat attacks on Steamer Owasco
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 10 Dec 1917 | U 64 (Robert Moraht) | Sunk | off Alicante. 38.10N, 00.18W per KTB | 38.28N, 00.13W | Norfolk - Genoa | 2 |
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