ICS may refer to:

Computing Image Cytometry Standard, a digital multidimensional image file format used in life sciences microscopy Industrial control system, computer systems and networks used to control industrial plants and infrastructures Information and computer science, the combined field of informatics and computing Internet chess server, an external server that provides the facility to play, discuss, and view chess over the Internet Internet Connection Sharing, a feature in Microsoft operating systems since the advent of Windows 98 Second Edition .ics, a filename extension for iCalendar files Android Ice Cream Sandwich, the codename for version 4.0 of the Android operating system

Education Donald Bren School of Information and Computer Sciences, Irvine, California, United States Graduate School of International Corporate Strategy, Tokyo, Japan Indian Central School, Singapore Institute for Christian Studies, Toronto, Ontario Institute of Classical Studies, University of London, UK Institute of Cornish Studies, in Falmouth, UK Inter-Community School Zürich, Switzerland Intermountain Christian School, Utah, United States International Christian School (Hong Kong) International Community School (Kirkland, Washington) International Community School (Singapore) International Community School (Thailand) International Community School (UK) International Community School of Addis Ababa International Correspondence Schools Islesboro Central School Intermediate in Computer Science, a course for the completion of the Higher Secondary School Certificate in Pakistan

Entertainment International Channel Shanghai, a foreign-language cable channel Immigration And Customs Security, a fictional organization in the Canadian TV series The Border

Music ICS Vortex, alias of Simen Hestnæs, Norwegian rock musician Immersion Composition Society, a network of composers, based in the USA

Medicine Inhaled corticosteroid, steroid hormones used to treat the nasal mucosa, sinuses, bronchi, and lungs Intercostal space, the space between two ribs

Organizations ICS Africa Imperial Civil Service Indian Civil Service Indian National Congress (Socialist) Institute of Chartered Shipbrokers Institute for Computational Sustainability, a Cornell-based institute in the United States International Chamber of Shipping International Citizen Service, a UK volunteer organization International Commission on Stratigraphy, the largest scientific body within the International Union of Geological Sciences International Communist Seminar International Continence Society, a multidisciplinary membership society for medical professionals concerned with incontinence Irish Computer Society, the national body for Information and Communication Technology (ICT) Professionals in Ireland Integrated care system, a component of the National Health Service (England) Ethiopian Immigration and Citizenship Service, an Ethiopian government agency for immigration and passport related service

Technology Ganz CSMG, also known as Ganz ICS, a Hungarian tram type In Channel Select, a technology improving programme reception in FM tuners International Classification for Standards, an international classification system for technical standards International Code of Signals, a maritime signaling standard also abbreviated INTERCO

Other uses International Convention on Salvage, a 1989 treaty of International Maritime Organization governing marine salvage Incident Command System, an emergency response management system InterCity Slovenia, a premium train service in Slovenia Israeli Cassini Soldner, a historical geographic coordinate system Investor court system Inmate Calling Service, a type of specialized telephone service provisioned for use by inmates at correctional facilities Iconsiam, a mixed-use development in Thailand

See also Ic (disambiguation)