A pistachio is a culinary nut and the tree that bears it.
Pistachio may also refer to:
Pistachio green, a pale green similar to the color of the nut's interior meat Pistachio ice cream, an ice cream flavor made with pistachio nuts or flavor Pistachio oil, a pressed oil, extracted from the fruit of Pistacia vera, the pistachio nut Pistachio pudding, a green pudding made from pistachio nuts The L4 microkernel family, a computer operating system component Pishtaco, a South American bogeyman The Pishtacos, a Peruvian gang Mitsubishi Pistachio, a three-door sedan introduced by Mitsubishi Motors in December 1999 Yaz Pistachio, a character in Bloom County Vincenzo Pistacchio, Catholic Bishop of Bitetto (1499–1518) and Conversano (1494–1499), Italy