IMC may refer to:

• IMC rating, a UK-issued rating for flying in instrument meteorological conditions
• Instrument meteorological conditions, weather conditions that require pilots to fly primarily by instruments

• IMC AG, a publishing house and software company
• IMC Financial Markets, a privately held company headquartered in Amsterdam
• IMC Global (International Minerals and Chemical), a former mining and chemical business that merged into The Mosaic Company
• Integrated Marketing Communications, a body of academic and practical work promoting a management approach to marketing
• Intel Mobile Communications, a subsidiary of Intel Corporation
• International Market Centers, owner of furniture showroom space at World Market Center Las Vegas
• International Metalworking Companies, a precision tools conglomerate headquartered in Israel

• Intermediate Mathematical Challenge, a challenge for students aged between 11 and 16, organised by the United Kingdom Mathematics Trust
• International Mathematics Competition for University Students, an annual mathematics competition for undergraduate mathematics students

• Immersive Media Company, former Canadian digital imaging company
• Investment Migration Council, sets standards in the investment migration industry
• Independent Media Center Also Indymedia or IMC. A global network of journalists that report on political and social issues.
• Independent Monitoring Commission, an organisation providing the British government with reports on paramilitary ceasefires in Northern Ireland
• Indian Muslim Council, an advocacy group based in the US
• Institute of Management Consultants USA, a national body certifying professional management consultants
• Intel Mobile Communications, a part of the Intel Architecture Group
• Intermountain Medical Center, a hospital in Murray, UT, USA
• International Maritime Confederation, the umbrella association of maritime organizations and marine societies on the European level
• International Marketmakers Combination, derivatives trading house
• International Medical Center, a hospital in Jeddah, Saudi Arabia
• International Medical Corps, a global, humanitarian, nonprofit organization
• International Medieval Congress, annual academy congress on the study of the European Middle Ages (c. 300–1500) held at the University of Leeds
• International Music Council, a UNESCO-sponsored organization promoting the development of international music-making
• Internet Mail Consortium, an organization providing information about Internet e-mail standards and technologies
• Irish Mountaineering Club
• Irish Multiplex Cinemas, a chain of cinemas in the Republic of Ireland and Northern Ireland owned by Ward Anderson
• Islamabad Metropolitan Corporation, the municipal authority governing Islamabad
• Irish Medical Council, the Irish regulatory body for the medical professions
• Indy's Music Channel, television station in Indianapolis, Indiana
• Indore Municipal Corporation, governing body of the Indian city of Indore

• A church of the Fellowship of Independent Methodist Churches
• International Meditation Centre, which promotes the practice of Theravāda Buddhist vipassanā meditation.
• Consolata Missionaries, Roman Catholic missionary congregation

• The Infinite Monkey Cage, a popular science radio programme in the United Kingdom
• Integrated memory controller, a feature of some CPUs in computers
• Instructional manipulation check, a question in a questionnaire to check whether respondents pay attention to the instructions
• Intermediate Metal Conduit, formal term in electrical codes for a type of metallic conduit (thin-wall tubing)
• International Championship for Manufacturers, a rally series and predecessor to the World Rally Championship
• International Mechanical Code, a convention published by the International Code Council (ICC) through the governmental consensus process
• Isothermal microcalorimetry (IMC), a laboratory method for real-time monitoring and dynamic analysis of chemical, physical and biological processes
• It's My City [ru], a Russian news site