Jay
| Name | Jay |
| Type | Navy Trawler |
| GRT | 144 tons |
| Country |  British |
| Built | 1897 |
| Builder | Edwards Bros., North Shields |
| Operator | Royal Navy |
| History | Peace-time operator: Kelsall Brothers & Beeching Ltd. (J. A. E. Kelsall), Hull |
U-boat attacks on Navy Trawler Jay
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 11 Aug 1917 | UB 35 (Karl Stöter) | Sunk | Torpedoed off Southwold | 55° 19'N, 1° 49'E | 9 |
Position of attack on Jay
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