Taiwan mountain pitviper
Ovophis makazayazaya
- Least concern
- Card rarity: Common
- Reptiles

The Taiwan mountain pit viper, also known as the Eastern mountain pit viper or Oriental mountain pit viper, is a venomous snake native to southeast China, northern Vietnam, Laos, and Taiwan. It was previously considered a subspecies of Ovophis monticola, but was suggested as a full species in 2011.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Viperidae
- Genus
- Ovophis