ITO may refer to:

  • Hilo International Airport, IATA airport code
  • Indium tin oxide, a transparent conductor
  • Information Technology Outsourcing
  • International Trade Organization
  • IT/Operations, an old (but still frequently used) name for HP Operations Manager, a software monitoring suite.
  • Jewish Territorialist Organization
  • Inventory turnover, a measure of the number of times inventory is sold or used in a certain period of time.
  • Involuntary Treatment Order, typically for psychiatric treatment