Plains Hognose Snake
Heterodon nasicus
- Least concern
- Card rarity: Common
- Reptiles

The western hognose snake is a species of snake in the family Colubridae. The species is endemic to North America. There are three subspecies that are recognized as being valid, including the nominotypical subspecies.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Colubridae
- Genus
- Heterodon