Poison Ivy (real name Pamela Lillian Isley) is a comic book character published by DC Comics and an enemy of Batman.

Poison Ivy is a misanthropic scientist in the fields of botany and biochemistry. She has supernatural control over plant life and is able to poison with a single touch. She uses her powers for the purposes of eco-terrorism.

She uses plant poison and her mind-controlling pheromones to commit crimes. Her activities are usually aimed at protecting endangered species and the environment from the careless actions of people.