Professeur Jalaguier
| Name | Professeur Jalaguier |
| Type | Sailing vessel |
| GRT | 223 tons |
| Country |  French |
| Built | 1884 |
| Builder | Fr. Hägglund, Kylörn |
| Operator | E F Leroy, Fécamp |
| History | Wooden brigatine. Built as Johan. |
U-boat attacks on Sailing vessel Professeur Jalaguier
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 14 Nov 1916 | UB 38 (Erwin Waßner) | Sunk | Isle of Wight area or 25 milles N61°E of Barfleur |
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