Songelv
| Name | Songelv |
| Type | Sailing vessel |
| GRT | 2,064 tons |
| Country |  Norwegian |
| Built | 1883 |
| Builder | Oswald, Mordaunt & Co., Southampton |
| Operator | A/S Christianssand (S. O. Stray & Co.), Kristiansand |
| History | Iron-hulled ship-rigged sailing vessel. Built as Britannia. |
U-boat attacks on Sailing vessel Songelv
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Feb 1917 | U 43 (Hellmuth Jürst) | Sunk | Stopped and sunk WSW of Fastnet | 50.20N, 11.10W | Buenos Aires – Falmouth (for orders) | maize | 0 |
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