A magic mushroom is a psilocybin mushroom, a fungus that contain the hallucinogens psilocybin.
Magic mushroom may also refer to:
Amanita muscaria and other amanita mushrooms
Music The Magic Mushrooms, a 1960s psychedelic rock band
Video games Magic Mushrooms (video game), a 1985 video game published by Acornsoft Magic mushroom (Mario), in older games, i.e. Super Mario Bros. (1985, NES), a Super Mushroom was called a "Magic Mushroom"
See also Hallucinogenic mushroom