Cacophis is a genus of venomous snakes, commonly known as crowned snakes, in the family Elapidae. The genus is endemic to Australia.
All species of Cacophis have a distinct "crown" pattern on the head, which gives them their common names. They are venomous, but not dangerous to people.
The following four species are recognized as being valid.
In the above list, a binomial authority in parentheses indicate that the species was originally described in a genus other than Cacophis.
Species of Cacophis are distributed along eastern Australia. They inhabit a variety of forest types, from woodland to rainforest.
Cacophis species are generally nocturnal and feed on lizards and reptile eggs.