Satanism is a belief or social phenomenon that features the veneration or admiration of Satan or a similar figure.
Satanism may also refer to:
- LaVeyan Satanism, a non-theistic Satanic religion founded by Anton LaVey
- Church of Satan, a non-theistic Satanic organization dedicated to LaVeyan Satanism
- Theistic Satanism, the worship of Satan as a deity
- Joy of Satan, a website and religious group of Theistic Satanists who revere Satan as a sentient and extraterrestrial being.
- Our Lady of Endor Coven, a cult founded by Herbert Arthur Sloane
- The Satanic Temple, a non-theistic Satanic religious organization promoting political activism, secularism, and bodily autonomy
- Satanic ritual abuse, a moral panic that occurred near the end of the 20th century