Speedwell
| Name | Speedwell |
| Type | Fishing vessel (smack) |
| GRT | 38 tons |
| Country |  British |
| Built | 1899 |
| Builder | ?, Lowestoft |
| Operator | John Chambers, Lowestoft |
| History | Fishing registration: LT 85 |
U-boat attacks on Fishing vessel (smack) Speedwell
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 12 Jul 1915 | UB 6 (Erich Haecker) | Sunk | Stopped and scuttled 19 miles SExE of Lowestoft | 0 |
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