Western Bark Snake
Hemirhagerrhis viperina
- Least concern
- Card rarity: Common
- Reptiles

Hemirhagerrhis viperina, commonly known as the viperine rock snake or western bark snake, is a species of snake in the family Psammophiidae. It is indigenous to areas within southwestern Angola and northwestern Namibia. It is partially arboreal. The nostrils of H. viperina has a vertical piercing in their nasal.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Psammophiidae
- Genus
- Hemirhagerrhis