White-crowned Snake
Cacophis harriettae
- Least concern
- Card rarity: Common
- Reptiles

Cacophis harriettae, also known commonly as Harriett's snake, the white-crowned snake, and the white-naped snake, is a species of mildly venomous snake in the family Elapidae. The species is endemic to Australia.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Elapidae
- Genus
- Cacophis