Mataco may refer to: Mataco people, or Wichí, an ethnic group of South America Mataco language, or Wichí, a language, or a language group, of South America USS Mataco (AT-86), an American ship Tolypeutes matacus, known in Portuguese as mataco, a species of armadillo
See also Matacoan languages, a language family of South America Matacos Department, in Argentina