Sio

Sio may refer to:

Places

• Sió, an artificial channel in Hungary
• Sio, Mali, a commune in Mali
• Sui, a town in Papua New Guinea
• Sio, a river in Western Africa providing water for the Lake Togo
• The IATA airport code for Smithton Airport in Tasmania, Australia

People

• Ken Sio, Australian Rugby League player
• Michael Sio, New Zealand Rugby League player

Organizations

• The Scripps Institution of Oceanography
• The Students Islamic Organisation of India
• The Foundation for Student Life in Oslo (Studentsamskipnaden i Oslo)
• The United States Department of Defense Space and Intelligence Office

Computing

• Serial Input/Output, see Serial communication
  • The SIO (software) serial software for the OS/2 operating system
  • The Atari SIO peripheral bus
• Super I/O, a motherboard chipset component

Other

• Sio (genus), a genus of fish
• SiO, the chemical formula for Silicon monoxide
• Senior Investigating Officer, see Policing in the United Kingdom
• SIO, a "polite" acronym for the phrase "shit in order"