Gisla
| Name | Gisla |
| Type | Steamer |
| GRT | 2,118 tons |
| Country |  Norwegian |
| Built | 1916 |
| Builder | Detroit SB. Co., Wyandotte, MI |
| Operator | D/S A/S Avenir (Biørn Biørnstad & Co.), Christiania |
| History |
U-boat attacks on Steamer Gisla
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 12 Sep 1917 | U 64 (Robert Moraht) | Sunk | 4 miles off Cape Palos | 37.39N, 00.32W | Cotonou - Marseille | palm oil in drums | 0 |
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