Lansberg's Hognose Viper
Porthidium lansbergii
- Least concern
- Card rarity: Common
- Reptiles

Porthidium lansbergii is a species of venomous snake, a pit viper in the family Viperidae. The species is native to eastern Central America and northwestern South America. Three subspecies are recognized, including the nominate subspecies described here.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Viperidae
- Genus
- Porthidium