Esterel
| Name | Esterel |
| Type | Sailing vessel |
| GRT | 238 tons |
| Country |  Italian |
| Built | 1902 |
| Builder | Lanza & Dello Strologo, Leghorn |
| Operator | A. Zibaldi, Leghorn |
| History | Steel-hulled brigantine, previously named Emilia e Amalia and, as built, Emilio Zola. |
U-boat attacks on Sailing vessel Esterel
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 2 Feb 1918 | UC 54 (Heinrich XXXVII Prinz Reuß zu Köstritz) | Sunk | Stoped and scuttled off Bizerta | Livorno - Sfax | pit props |
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