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 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

Entertainment

* International Channel Shanghai, a foreign-language cable channel * Immigration And Customs Security, a fictional organization in the Canadian TV series ''The Border (TV series)#Immigration and Customs Security, The Border''

Music

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

Organizations

* ICS Africa * Imperial Civil Service * Indian Civil Service (British India) * Indian National Congress (Socialist) * Institute of Chartered Shipbrokers * International Communist Seminar * 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 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)

Science

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

Technology

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

Other uses

* 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-state dispute settlement, Investor court system * Inmate Calling Service, a type of specialized telephone service provisioned for use by inmates at correctional facilities * International Code of Signals, an international system of signals and codes for use in navigation and related matters