Dayspring
| Name | Dayspring |
| Type | Fishing vessel (smack) |
| GRT | 57 tons |
| Country |  British |
| Built | 1895 |
| Builder | W. A. Gibbs, Galmpton |
| Operator | George Long, Lowestoft |
| History | LT 665 |
U-boat attacks on Fishing vessel (smack) Dayspring
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 May 1918 | UB 40 (Hans Joachim Emsmann) | Sunk | Stopped and sunk by gunnery 10 miles NExE Smith’s Knoll Spar buoy | 0 |
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