Ahriman, or Angra Mainyu, is the "destructive spirit" in Zoroastrianism.

Ahriman may also refer to:

Religious concepts An entity in the philosophy of anthroposophy A name (Ahrimanius) inscribed on the lion-headed figure in Roman Mithraism

Video games A race of monsters in the Final Fantasy game series Ahriman (Warhammer 40,000), a character in the Warhammer 40,000 game series Ahriman, an evil god in Prince of Persia (2008 video game) The titular character in Kohan: Ahriman's Gift A long-dead warlock in Ahriman's Prophecy, a title in Aveyond game series

Other uses Ahriman (Highlander), a figure in Highlander: The Series Lord Ahriman, pseudonym of the founder and guitarist of the black metal band Dark Funeral Dr. Ahriman, a psychologist in False Memory (novel) by Dean Koontz R.E. Mann, a character in Asimov's short story The Last Trump