| Acronym | Definition |
|---|
| ICE | Immigration and Customs Enforcement (US Department of Homeland Security; formerly parts of Immigration & Naturalization Service and US Customs) |
| ICE | In Case of Emergency |
| ICE | Internal Combustion Engine |
| ICE | Information and Content Exchange (W3C protocol) |
| ICE | Institution of Civil Engineers |
| ICE | Intercontinental Exchange |
| ICE | In Car Entertainment (Sony) |
| ICE | Istituto Nazionale Per Il Commercio Estero (Italian Trade Commission) |
| ICE | In-Circuit Emulator |
| ICE | Information Center for the Environment (UC-Davis) |
| ICE | Interactive Customer Evaluation |
| ICE | Instituto Costarricense de Electricidad (Costa Rican Electricity Institution) |
| ICE | Iron Crown Enterprises (role-playing game company) |
| ICE | In-Circuit Emulation |
| ICE | Ice, Compression, Elevation (medical; sprains, injuries, etc.) |
| ICE | Internal Compiler Error |
| ICE | Interactive Connectivity Establishment (network protocol) |
| ICE | Institute of Culinary Education (New York, NY) |
| ICE | InterCity Express (Deutsche Bahn AG) |
| ICE | Internet Commerce Enabled (Nortel) |
| ICE | Inter City Express (Germany) |
| ICE | Inter-City Express |
| ICE | International Currency Exchange |
| ICE | Interleukin-1 Beta-Converting Enzyme (cell physiology) |
| ICE | Information Communications Entertainment (industries) |
| ICE | International Corpus of English |
| ICE | Integrated Cooling Engine |
| ICE | Independent Cost Estimate |
| ICE | International Cometary Explorer |
| ICE | Istituto per il Commercio con l'Estero (Italy) |
| ICE | Isoflavone Clover Extract |
| ICE | Inventory of Conflict and Environment |
| ICE | Intrusion Countermeasure Electronics (coined by Tom Maddox; popularised in William Gibson's SF novels) |
| ICE | Instrumentation and Control Engineering |
| ICE | Institute for Community Economics |
| ICE | In Class Essay |
| ICE | Image Correction & Enhancement (ASF) |
| ICE | Internet Child Exploitation (Saskatoon Police) |
| ICE | Internet Content Exchange (protocol for content syndication) |
| ICE | Iridocorneal Endothelial Syndrome (proliferation of corneal endothelium) |
| ICE | Institute for Continuing Education (Illinois) |
| ICE | Index of Consumer Expectations |
| ICE | Integrated Circuit Engineering |
| ICE | Imperial Crystalline Entombment (band) |
| ICE | International Chemical Environment |
| ICE | Indian Cultural Exchange |
| ICE | Icelandair, Iceland (ICAO code) |
| ICE | Information Collection and Exchange (US Peace Corps) |
| ICE | Intercambio Científico Educacional (Cuba) |
| ICE | Instituto de Ciencias del Espacio (Spanish) |
| ICE | International Collaborative Effort on Injury Statistics |
| ICE | Interfaith Coalition on Energy |
| ICE | International Cryptography Experiment (founded in 1994) |
| ICE | Internal Consistency Evaluator (Microsoft Windows) |
| ICE | Internet Chat Exchange |
| ICE | Interaction and Concurrency Experience (workshop) |
| ICE | Integrated Computer Engineering |
| ICE | Ice Cold Enforcers (gaming clan) |
| ICE | Intelligent Content Engine |
| ICE | Intergovernmental Committee of Experts (UN Economic Commission for Africa) |
| ICE | Integrated Child Exploitation unit (Canada) |
| ICE | Intracardiac Echocardiogram |
| ICE | Industrial Communications Engineers |
| ICE | I Catch Everything (college football wide receiver motto) |
| ICE | Infection Control Examination (Dental Assisting National Board) |
| ICE | Instrument Control Electronics |
| ICE | International Chess Enterprises |
| ICE | Integrated Clothing Ensemble (Canada) |
| ICE | Integrated Command Environment (US Navy C4I program) |
| ICE | Illinois CIO Exchange |
| ICE | Industrial Combustion Emissions Model |
| ICE | InfoChain Express (Avery Dennison) |
| ICE | Interface Configuration Experiment (USML) |
| ICE | Interpret Chinese-English (software) |
| ICE | Insane Creators Enterprises |
| ICE | Ifosfamide Cisplatin Etoposide (chemotherapy protocol) |
| ICE | Indoor Cycling Experience (indoor cycling class) |
| ICE | Independent Checking Engineer |
| ICE | Iturralde Crater Expedition |
| ICE | International Congress of Egyptology |
| ICE | Intrusion Countermeasure Enhancements (Network ICE) |
| ICE | Isentropic Compression Experiment |
| ICE | Integrated Cost Estimation |
| ICE | Iowa, Chicago and Eastern Railroad Corporation |
| ICE | Individual Chemical Equipment |
| ICE | Inventory Control Effectiveness |
| ICE | Increased Combat Effectiveness |
| ICE | Intelligence Community Engineering |
| ICE | International Cosmetic Expo |
| ICE | Intellectual, Cultural and Educational |
| ICE | Integrated Computer Environment |
| ICE | Interactive Configurable Environment (OSIsoft) |
| ICE | Instance Creation Expression |
| ICE | Implicit Continuous Eulerian |
| ICE | Interactivity Connectivity Establishment |
| ICE | Integrated Component Environment (Java software) |
| ICE | Interface Control Element (Job Entry Subsystem 2; IBM) |
| ICE | Internet Commerce Exposition |
| ICE | Intrusion Countermeasures Equipment |
| ICE | InfiniStream Capture Engine |
| ICE | Image Communications Equipment |
| ICE | Intelligence Center Europe |
| ICE | International Counter Espionage (gaming clan) |
| ICE | Indian Council of Education |
| ICE | Intelligence Concept Extraction |
| ICE | Innovations in Chemical Education |
| ICE | Image Creation Engine |
| ICE | Information, Communication and Extension (Team) |
| ICE | Internet Center of Expertise (USACE) |
| ICE | Inductosyn Electronics |
| ICE | Inverted Coaxial Magnetron |
| ICE | Interactive Constructive Environment |
| ICE | Interdiction Control Element |
| ICE | Institute for Construction Economics |
| ICE | Integrated Customer Evaluation |
| ICE | Interactive Internet Collaborative Environment (Insoft) |
| ICE | Isolated Compliance Environment (for Y2K testing) |
| ICE | Ingenieros Consultores Especialistas (Guatemala) |
| ICE | Instant Cash Exchange, LLC |
| ICE | Intersection Control Enforcement (Dalton Police Department) |
| ICE | Investigation & Criminal Enforcement (Kansas) |
| ICE | Impact Correlation Engine (ILOG) |
| ICE | Integrated Curriculum Environment |
| ICE | International Commentary Explorer |
| ICE | Intranode Circuit Edge |
| ICE | Ingenieros Consultores Especializados (Guatemala) |
| ICE | Islamic Center of England |
| ICE | Immediate Consequent Event |
| ICE | Irate Customer Evaluation |
| ICE | Current Capacitive circuit Voltage (mnemonic for the phase relationship of the current (I) and voltage (E) in capacitive circuits(C)) |
| ICE | Interest, Commission, Extras (lending) |
| ICE | In-orbit Communications Equipment |
| ICE | Internet Content and Exchange Format (National Seminconductor/W3C) |
| ICE | Integrated Compliance Environment (formerly TIES) |
| ICE | Insertion Communication Equipment |
| ICE | Intelligence and Community Engagement (police training) |
| ICE | Instant Customer Engagement |