Sibo is a locality situated in Bollnäs Municipality, Gävleborg County, Sweden with 301 inhabitants in 2010.
Sibo may refer to:
- Sibo, a town in Sweden
- Xibe people or Sibo, a Manchu ethnic group in Xinjiang, China
- Xibe language, spoken by the Sibo people
- Small intestinal bacterial overgrowth, a disorder of the small intestine
- SIBO, an operating system used by the Psion Organiser pocket computer