An Oreo is a sandwich cookie produced by Nabisco.

Oreo may also refer to:

Animals Oreo (spider), a genus of Australian spiders Oreosomatidae, a family of fish commonly called oreos Oreo cow, a nickname for the Scottish Belted Galloway

Arts, entertainment, and media Oreo (novel), a 1974 novel by Fran Ross The Oreo, a sculpture on the Villanova University campus, Pennsylvania

Other uses Oreo Cookie (slang), an ethnic slur for a black person who "acts white" Oreo O's, a breakfast cereal based on the Oreo cookie Oreus (or "Oreos"), an ancient Greek settlement Android Oreo, Android Operating System 8.0 Other Real Estate Owned (OREO), real estate a bank owns that has generally been acquired through foreclosure

See also