Arbor Vitae
| Name | Arbor Vitae |
| Type | Fishing vessel (smack) |
| GRT | 26 tons |
| Country |  British |
| Built | 1908 |
| Builder | ?, Oulton Broad |
| Operator | William C. Cook, Lowestoft |
| History | Fishing registration: LT 107 |
U-boat attacks on Fishing vessel (smack) Arbor Vitae
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Aug 1915 | UB 10 (Otto Steinbrinck) | Sunk | Stopped and scuttled 35 miles NExN from Lowestoft | 0 |
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