IOC most commonly refers to the International Olympic Committee.

IOC or IoC may also refer to:

Computing

  • IBM Open Class, IBM C++ product
  • Indicator of compromise, an artifact likely indicating a computer intrusion
  • Inversion of control, a software design pattern

Organizations

  • Indian Ocean Commission
  • Indian Oil Corporation, large Indian oil and gas company
  • Indian Orthodox Church, Kerala, India
  • International Olive Council
  • Initiative on Cities, urban research institute at Boston University
  • Initiatives of Change, international organisation "building trust across the world's divides" (formerly Moral Re-Armament)
  • Intergovernmental Oceanographic Commission of Unesco
  • International Ornithological Committee, former name of the International Ornithologists' Union
  • International Order of Characters, an organization dedicated to improving the fields of aviation and aerospace
  • Iron Ore Company of Canada

Other uses

  • Icon of Coil, Norwegian electronic music band
  • Immediate or cancel, a type of order used on some stock exchanges
  • Index of coincidence, the technique in cryptography of counting the number of times that identical letters appear
  • Initial operating capability, minimum level of deployment, especially in the US military
  • Intraoral camera, a device used to take photos of the inside of a patient's mouth
  • Italian organized crime