ICR

ICR may refer to:

Biology

 * Idiopathic condylar resorption, a temporomandibular joint disorder
 * Immunological constant of rejection, Immunology concept relating to tissue rejection
 * Implanted cardiac resynchronization device, in cardiology
 * Imprinting Control Region, genetic imprinting

Electronics and physics

 * Inductance (L), Capacitance (C), Resistance (R), see LCR meter and RLC circuit
 * Instant centre of rotation, the point in a body undergoing planar movement that has zero velocity at a particular time
 * Intelligent character recognition, advanced OCR
 * Ion cyclotron resonance, a physics phenomenon in cyclotron particle acceleration

Organizations

 * Catholic University of Rennes (Institut catholique de Rennes), a French Catholic university
 * Institute of Cancer Research, a college within the University of London
 * Institute for Centrifugal Research, imaginary company created by Till Nowak as the impetus behind The Centrifuge Brain Project
 * Institute of Cetacean Research, a Japanese institution
 * Institute for Comparative Research in Human and Social Sciences, a Japanese institution in humanities and social sciences
 * Institute for Creation Research, a creationist organization in Dallas, Texas
 * Institute for Cultural Research, a London-based educational charity founded by Idries Shah
 * International Care & Relief, international development charity
 * International Rescue Committee, a global humanitarian, relief, and refugee-assistance non-government agency
 * Iraqi Council of Representatives, a political council of Iraq
 * Central Institute for Restoration (Istituto Centrale per il Restauro), art conservation institute in Rome
 * Romanian Cultural Institute (Institutul Cultural Român)

Other uses

 * Industrial Cases Reports, a law report
 * Inishowen Community Radio (ICR FM), a local radio station broadcasting on the Inishowen Peninsula in Ireland
 * Intercolonial Railway, a historic Canadian railway
 * Interest coverage ratio, a measure of a firm's ability to pay interest on outstanding debt
 * International Civilian Representative for Kosovo, a civilian officer
 * Islander Creole English, ISO 639-3 code
 * Inter-City Railcar, class of 63 Irish diesel multiple units