Subra
| Name | Subra |
| Type | Sailing vessel |
| GRT | 580 tons |
| Country |  Norwegian |
| Built | 1875 |
| Builder | unknown yard in Arendal |
| Operator | A/S Subra (H. T. Realfsen), Skien |
| History |
U-boat attacks on Sailing vessel Subra
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 22 Jul 1916 | UB 37 (Hans Valentiner) | Sunk | E of Hartlepool | 54° 45'N, 0° 00'E | Porsgrund – West Hartlepool | pitprops | 0 |
Position of attack on Subra
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