From Wikipedia, the free encyclopedia
Sio may refer to:
- Sió, an artificial channel in Hungary
- Sio, Mali, a commune in Mali
- Sui, a town in Papua New Guinea
- The IATA airport code for Smithton Airport in Tasmania, Australia
- 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
- Serial Input/Output, see Serial communication
- Super I/O, a motherboard chipset component
- 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"
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