Brown snake may refer to:
Pseudonaja, a genus of Australian brown snakes
The eastern brown snake Pseudonaja textilis, one of the world's most venomous snakes
Storeria, a genus of North American brown snakes
Elapognathus minor, a species of Australian short-nosed, or little brown, snake
Pseudechis australis, a species of Australian mulga, or king brown, snake
