Oscar
| Name | Oscar |
| Type | Sailing vessel |
| GRT | 107 tons |
| Country |  Norwegian |
| Built | 1875 |
| Builder | Fjeldberg in Sunnhordland |
| Operator | A. Beruldsen, Arendal |
| History |
U-boat attacks on Sailing vessel Oscar
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 May 1915 | U 41 (Claus Hansen) | Sunk | SW of Lindernaes | 56.55N, 04.20E | Arendal – Granton | pit props | 0 |
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