Gio or GIO may refer to:
Science and technology Gi/o, protein subunits GIO (computer bus standard), a computer bus GIO (software), a library for accessing virtual file-systems 11084 Giò, a main belt asteroid Gibioctet, a unit of digital information Glucocorticoid-induced osteoporosis Samsung Galaxy Gio, a mobile telephone
Other Gio (nickname), and a list of people with the nickname Gío, a parish in Asturias, Spain Gio (Black Clover), a character in the manga series Black Clover GIO Insurance, an Australian insurance company Giò lụa, a Vietnamese pork sausage Gio Ponti (horse), an American Thoroughbred race horse Ibanez GIO, a series of guitars General Inspection Office (Iran) Government Information Office, a former agency of the Republic of China (Taiwan) Dan language or Gio, spoken by the Gio people Gio (rapper), a German rapper
See also Geo (disambiguation)