Sio

Sio may refer to:

Places

 * Sió, an artificial channel in Hungary
 * Siø, a small Danish island in the South Funen Archipelago
 * Sio, Burkina Faso, a village in Burkina Faso
 * Sio, Mali, a commune in Mali
 * Sio, Papua New Guinea, a town in Papua New Guinea
 * Sio, a river in Western Africa providing water for the Lake Togo
 * Smithton Airport (IATA airport code), Tasmania, Australia

Computing

 * SIO (software), a serial port driver for the OS/2 operating system
 * Atari SIO, a peripheral bus
 * Super I/O, a motherboard chipset component
 * Start I/O (SIO) instruction on IBM S/360 or S/370.

Organizations

 * Scripps Institution of Oceanography, La Jolla, California, U.S.
 * Students Islamic Organisation of India
 * Foundation for Student Life in Oslo (Studentsamskipnaden i Oslo)
 * Sexarbejdernes Interesse Organisation, a Nordic organization of sex workers (see Prostitution in Sweden)

People

 * Sio (cartoonist), Italian comics artist
 * William Sio (born 1960), New Zealand politician
 * David Sio (born 1962), Samoan rugby union footballer
 * Giovanni Sio (born 1989), Ivorian international footballer
 * Ken Sio (born 1990), Australian rugby league player
 * Michael Sio (born 1993), New Zealand rugby league player

Other uses

 * Battle of Sio, part of the New Guinea campaign of World War II
 * ISO 639:sio or Siouan, a language family of North America
 * Sio language, an Austronesian language
 * Sio (genus), a genus of fish
 * SiO, the chemical formula for Silicon monoxide
 * SiO2, the chemical formula for Silicon dioxide
 * Senior Investigating Officer, the lead officer in a criminal investigation in the U.K.