IC or ic may stand for:
In computing and technology:
* Interactive C, a programming language for robotic controllers
* International Coordinator, the top coordinator of the FidoNet
* Instruction Count, in computer science
* Integrated circuit
* Interchangeable core or interchangeable core lock cylinder
* Internal combustion engine
* Insulation contact, a light fixture classification.
* intercooler
In education:
* Ithaca College, Ithaca, NY, USA
* Imperial College London, UK
* International College, Beirut, Lebanon
* IC brand school buses by Navistar International
In entertainment:
* WWE Intercontinental Championship
* International Canoe
* Infinite Challenge, the top-rating South Korean TV programme
In humanities:
* A Christogram
* Irreducible complexity
* In Character, as opposed to OOC (out of character)
* Intellectual capital
In language:
* -ic suffix
* iċ, an old English pronoun
* IC codes, police shorthand expressions for apparent ethnicity
* Immediate constituent in morphology
* In Casu, Latin for 'in this case'
* Index of coincidence
* Internet slang for "I See"
In medicine:
* Intensive care medicine
* Interstitial cystitis, a disease
* Informed consent, in clinical trials the form that has to be signed by the patient (subject) before entering the study
In science and mathematics:
* axiom assuming the existence of an inaccessible cardinal
* rare short version of the Roman numeral XCIX (99)
* Index Catalogue in astronomy
* Ion Chromatography
In finance:
* inter company
Organizations and companies:
* Industry Canada, division of the Canadian government
* Intelligence Community, a federation of United States agencies and organizations conducting intelligent activities
* Intentional Community
* InterContinental hotel chain, or its parent company InterContinental Hotels Group
* Invisible Children Inc., a non-profit for kids in Africa, or Invisible Children, the movie behind the non-profit.
Places:
* Canary Islands' ISO 3166-1 code[1]
* Iowa City, Iowa, USA
* Ithaca College, USA
In transport:
* Ice Crystals' METAR code
* Illinois Central Railroad (AAR reporting marks IC)
* Air India (flights fomerly operated by Indian Airlines)' IATA airline designator
* InterCity certain long-distance passenger train services in Europe
Other:
* Identity card
* Incident Commander
* Military Terminology for 'In Command' or 'In Charge', often preceded by an 'O' to indicate an Officer or 'NCO' for a Non-Commissioned Officer.
(from wiki)