| History | |
|---|---|
 United Kingdom | |
| Name | Viper |
| Namesake | Viper |
| Ordered | 11 September 1828 |
| Builder | Pembroke Dockyard |
| Laid down | June 1830 |
| Launched | 12 May 1831 |
| Completed | 31 August 1831 |
| Reclassified | As packet boat, 1831 |
| Fate | Broken up, May 1851 |
| General characteristics | |
| Class and type | Cockatrice-class schooner |
| Tons burthen | 18135/94 bm |
| Length | |
| Beam | 23 ft 3 in (7.1 m) |
| Draught | 9 ft 5 in (2.9 m) |
| Depth | 9 ft 11 in (3.0 m) |
| Sail plan | brigantine rig |
| Complement | 33–42 |
| Armament | 2 × 6-pdr cannon; 4 × 12-pdr carronades |
HMS Viper was a six-gun Cockatrice-class schooner built for the Royal Navy during the 1830s. She was sold for scrap in 1851.