| Acronym | Sense | Language | Topics |
|---|---|---|---|
| IASB | International Accounting Standards Board | In English | → Organizations and associations → Standardization → Accounting |
| IASC | Inter-Agency Standing Committee | In English | → Organizations and associations |
| IASCF | International Accounting Standards Committee Foundation | In English | → Foundations → Standardization → Accounting |
| IASI | Infrared Atmospheric Sounding Interferometer | In English | → Meteorology, climatology |
| IASON | In Aangename Samenwerking Overwinning Nastreven | In Dutch | → Organizations and associations → Sport, physical exercises |
| IASP | Indian Association for the Study of Population (www.iasp.ac.in) | In English | → Associations → Demography → India |
| IASP | International Association of Science Parks | In English | → Associations → Museums → Mathematics and natural sciences |
| IASPEI | International Association of Seismology and Physics of Earth Interior (www.iaspei.org) | In English | → Associations → Geophysics → Seismology, earthquakes |
| IASS | International Association for Semiotic Studies = AIS | Association Internationale de la Sémiotique | In French |
In English | → Associations → Semiotics |
| IASS | International Association of Sanskrit Studies | In English | → Associations → Language, linguistics, literature |
| IASS | Inverter/ATCS Support Structure | In English | |
| IASSI | Indian Association of Social Science Institutions (http://iassi.nic.in) | In English | → Associations → Social sciences → India |
| IASSP | IEEE (Institute of Electrical and Electronics Engineers) ASSP Magazine | In English | → Serial publications, periodicals → Software |
| IASTAM | International Association for the Study of Traditional Asian Medicine | In English | → Associations → 6158 |
| IAT | Integrated Avionics Test | In English | → Aeronautics, aircraft |
| IAT | Institute of Animal Technology (www.iat.org.uk) | In English | → Organizations and associations → Pharmacology, toxicology → Veterinary medicine → United Kingdom |
| IAT | Interrupteur Aérien Télécommandé | In French | → Electrical engineering |
| IATA | International Air Transport Association | In English | → Associations → Transport and postal services |
| IATC | International Association of Teachers of Czech | In English | → Associations → Education → Language, linguistics, literature |
| IATSE | International Alliance of Theatrical Stage Employees and Moving Picture Machine Operators | In English | → Organizations and associations → Cinema, movies → Theatre |
| IATSS | International Association of Traffic and Safety Sciences | In English | → Associations → Transport and postal services |
| IAU | International Astronomical Union | In English | → Organizations and associations → Astronomy |
| IAUC | International Astronomical Union Circular | In English | → Serial publications, periodicals → Astronomy |
| IAUNRC | Inner Asian and Uralic National Resource Center | In English | → Libraries → Area studies |
| IAUPL | Internacia Asocio de Universitataj Profesoroj kaj Lekciistoj | In Esperanto | → Associations → Higher education, universities |
| IAURIF | Institut d'Aménagement et d'Urbanisme de la Région Île-de-France | In French | → Transport and postal services → Regional planning → France |
| IAUT | Transactions of the International Astronomical Union | In English | → Serial publications, periodicals → Astronomy |
| IAV | Inventory Adjustment Voucher | In English | → Maintenance and logistics |
| IAV | Institut Agronomique et Vétérinaire Hassan II (www.iav.ac.ma) | In French | → Specialized or polytechnical colleges → Agricultural sciences → Veterinary medicine → Morocco |
| IAVCEI | International Association of Volcanology and Chemistry of the Earth's Interior (www.iavcei.org) | In English | → Associations → 55121 → Geochemistry |
| IAVI | International AIDS Vaccine Initiative | In English | → Immunology and allergy → Infectious diseases |
| IB | Institut für Bodenforschung (www.boku.ac.at/boden/) | In German | → Research institutes → Agricultural sciences |
| IB | Instruction Book | In English | |
| IB | International Baccalaureate | In English | → Education |
| IBA | Institute for Biomedical Aging Research | In English | → Research institutes → Biological sciences → Gerontology |
| IBA | International Bar Association (www.ibanet.org) | In English | → Associations → Law, jurisprudence |
| IBA | Israel Broadcasting Authority (www.iba.org.il) | In English | → Telecommunications |
| IBA | Individuele Behandeling Afvalwater | In Dutch | |
| IBA | Indole-3-Butyric Acid | In English | → Biochemistry, biophysics |
| IBAN | International Bank Account Number | In English | → Banks |
| IBAS | Indonesian Business Association of Shanghai | In English | → Associations → Economics |
| IBB | International Broadcasting Bureau | In English | → Telecommunications |
| IBB | Institut für Bildung und Beratung | In German | → Education |
| IBB | Investitionsbank Berlin | In German | → Banks |
| IBB | Institut für Berufliche Bildung | In German | → Education → Labour, labour economics |
| IBB | Internationales Bildungs- und Begegnungswerk | In German | |
| IBB | Internationales Bankhaus Bodensee | In German | → Banks |
| IBB | Institut für Betonbau | In German | → Construction |
| İBB | İstanbul Büyükşehir Belediyesi | In Turkish | |
| IBB | Institut für Bildungsrecht und Bildungspolitik | In German | → Law, jurisprudence → Education |
| IBBA | Istituto di Biologia e Biotecnologia Agraria: Sezione di Pisa | In Italian | → Biological sciences → Biotechnology |
| IBC | International Bioethics Committee | In English | → Ethics → Biotechnology → Medicine |
| IBC | Indian Books Centre (www.indianbookscentre.com) | In English | → Trade → Libraries → India |
| IBC | Impurity-Band Conductor | In English | |
| IBC | Itteren Borgharen Combinatie | In Dutch | → Organizations and associations → Sport, physical exercises |
| IBC | International Building Code | In English | → Standardization → Construction |
| IBD | Inflammatory Bowel Disease | In English | → Immunology and allergy |
| IBE | International Bureau for Epilepsy (www.ibe-epilepsy.org) | In English | → Organizations and associations → Neurology |
| IBEB | Instituto de Biofísica e Engenharia Biomédica | In Portuguese | → Biochemistry, biophysics → Biotechnology → Medicine |
| IBEC | Irish Business and Employers Confederation | In English | → Organizations and associations → Labour, labour economics → Economic policy |
| IBEW | International Brotherhood of Electrical Workers | In English | → Organizations and associations → Electrical engineering |
| IBF | Internally Blown Flap | In English | |
| IBF | Institut für Bauschadensforschung | In German | → Construction |
| IBF | Istituto di Biofisica | In Italian | → Biochemistry, biophysics |
| IBG | International Bank for the Glomeromycota | In English | → Agricultural sciences |
| IBGE | Institut Bruxellois pour la Gestion de l'Environnement | In French | → Regional administration → Environmental protection → Environmental technology, water supply, waste management |
| IBICT | Instituto Brasileiro de Informação em Ciência e Tecnologia (www.ibict.br) | In Portuguese | → Documentation → Mathematics and natural sciences → Applied sciences, technology → Brazil |
| IBIS | Input/Output Buffer Information Specification | In English | → Data → Computer simulation → Electronics |
| IBISC | Informatique, Biologie Intégrative et Systèmes Complexes | In French | → Computer science → Biological sciences |
| IBL | Institut de Biologie de Lille | In French | → Research institutes → Biological sciences → France |
| IBLB | Institut für Ingenieurbiologie und Landschaftsbau | In German | |
| IBM | International Business Machines (https://www.ibm.com/) | In English | → Organizations and associations → Computer hardware → Software |
| IBM | Intercontinental Ballistic Missile | In English | → Military engineering → Astronautics |
| IBMG | Internationales Büro für Maß und Gewicht (www.bipm.org) = BIPM | Bureau International des Poids et Mesures | In French = BIPM | Bureau Internacional de Pesos e Medidas | In Portuguese = BIPM | Buroo Internacia pri Pezoj kaj Mezuroj | In Esperanto |
In German | → Standardization |
| IBMJ | IBM Journal Research Development | In English | → Serial publications, periodicals → Computer science |
| IBN | Institut für Biophysik und Nanosystemforschung | In German | → Biochemistry, biophysics → Biotechnology |
| IBN | Institut Belge de Normalisation (www.ibn.be) = BIN | Belgisch Instituut voor Normalisatie | In Dutch |
In French | → Standardization → Belgium |
| IBN | Institute of Bioengineering and Nanotechnology | In English | → Research institutes → Biotechnology |
| IBO | Österreichisches Institut für Baubiologie und -ökologie (www.ibo.at) | In German | → Construction → 5023 → Austria |
| IBO | Associazione Italiana Soci Costruttori | In Italian | → Associations → Italia |
| IBR | Institut für Biophysik und Röntgenstrukturforschung | In German | → Biological sciences → Biochemistry, biophysics |
| IBR | Implementation Baseline Review | In English | |
| IBRD | Internacia Banko por Rekonstruado kaj Disvolvado = IBRD | International Bank for Reconstruction and Development | In English = BIRD | Banque Internationale pour la Reconstruction et le Développement | In French |
In Esperanto | → International relations → Banks → Development |
| IBRD | International Bank for Reconstruction and Development = BIRD (look above) |
In English | → International relations → Banks → Development |
| IBRI | Icelandic Building Research Institute | In English | → Research institutes → Construction |
| IBRU | International Boundaries Research Unit | In English | → International relations |
| IBS | Irritable Bowel Syndrome | In English | → Pathology |
| IBS | Institut de Biologie Structurale | In French | → Biochemistry, biophysics |
| IBS | Instituto Brasileiro de Siderurgia (www.ibs.org.br) | In Portuguese | → Organizations and associations → Metallurgy → Brazil |
| IBSC | International Barley Sequencing Consortium | In English | → Organizations and associations → Genetics → Biotechnology |
| IBSH | Informational Bulletin of the Southern Hemisphere | In English | → Serial publications, periodicals → Earth sciences |
| IBSS | Infrared Background Signature Survey | In English | |
| IBT | Internationaler Bund der Tierversuchsgegner (www.tierversuchsgegner.at) | In German | → Organizations and associations → Environmental protection → Pharmacology, toxicology |
| IBT | International Brotherhood of Teamsters | In English | → Organizations and associations |
| IBTP | Institut des Bâtiments et des Travaux Publics | In French | → Specialized or polytechnical colleges |
| ÍBV | Íþróttabandalag Vestmannaeyja (www.ibv.is) | In Icelandic | → Organizations and associations → Sport, physical exercises |
| IBVS | Informational Bulletin on Variable Stars | In English | → Serial publications, periodicals → Astronomy |
| IC | Islamic Culture | In English | → Islam → Civilization, culture, progress → Linguistics → Literature |
| IC | Incremental Cost | In English | → Prices |
| IC | Intercomputer Communication | In English | → Networks, communication |
| IC | Interim Change | In English | |
| IC | Internal Combustion | In English | → Mechanical engineering |
| IC | IOC Chamber | In English | |
| IC | Inertial Component | In English | |
| IC | Information Center | In English | |
| IC | Initial Condition | In English | |
| IC | Integrated Circuit | In English | → Electronics |
| IC | Integration Cell | In English | |
| IC | Intercommunications | In English | → Networks, communication → Telecommunications |
| IC | Intensive Care | In English | → Traumatology |
| IC | Introductiecommissie | In Dutch | |
| IC/ES | Intercommunication/Emergency Station | In English | → Telecommunications |
| ICA | Institut de Chimie de Annaba | In French | → Specialized or polytechnical colleges → Chemical technology → Chemistry |
| ICA | Intelligent Communicating Agent | In English | → Computer science |
| ICA | Interim Change Analysis | In English | |
| ICA | Item Change Analysis | In English | |
| ICA | Internal Carotid Artery | In English | → Anatomy |
| ICA | Independent Component Analysis | In English | → Mathematics |
| ICA | Ingénieur du Contrôle Aérien | In French | → Aeronautics, aircraft → Transport and postal services |
| ICA | Indirect Cost Accounting | In English | → Accounting → Prices |
| ICAAC | Interscience Conference on Antimicrobial Agents and Chemotherapy | In English | → Medicine |
| ICAAD | Interactive Computer-Aided Analysis and Design | In English | → Computer-based techniques |
| ICAAE | International Center for Aquaculture and Aquatic Environments | In English | → Organizations and associations → Fishing, hunting |
| ICAANE | International Congress on the Archaeology of the Ancient Near East | In English | → Congresses → Archeology |
| ICAD | International Conference on Alzheimer's Disease (and Related Disorders) | In English | → Congresses → Neurology |
| ICAD | Institut des Cadres Dirigeants | In French | → Specialized or polytechnical colleges → Management |
| ICAD | International Conference on Auditory Display | In English | → Congresses → Human-computer interaction → Telecommunications |
| ICADTS | International Council on Alcohol and Traffic Safety | In French | → Organizations and associations → Accidents, risks, safety → Transport and postal services |
| ICAE | Integrated Computer-Aided Engineering | In English | → Serial publications, periodicals → Computer-based techniques → Engineering, technology |
| ICAITI | Instituto Centroamericano de Investigación y Tecnología | In Spanish | → Research institutes → Research policy → Engineering, technology |
| ICALIN | Indicateur Composite des Activités de Lutte contre les Infections Nosocomiales = ICALIN | Indice Composite des Activités de Lutte contre les Infections Nosocomiales | In French |
In French | → Statistics → Infectious diseases |
| ICALIN | Indice Composite des Activités de Lutte contre les Infections Nosocomiales = (look above) |
In French | → Statistics → Infectious diseases |
| ICAM | Intercellular Adhesion Molecule | In English | → Biochemistry, biophysics |
| ICAM | Institut Catholique d'Arts et Métiers | In French | → Roman catholic church → Specialized or polytechnical colleges → Engineering, technology |
| ICAM | Integrated Computer-Aided Manufacturing | In English | → Computer-based techniques → Engineering, technology |
| ICAME | Innovation Commerciale, Analyse des Marchés et de leur Environnement | In French | → Trade |
| ICAMES | Interuniversity Consortium for Arab and Middle Eastern Studies | In English | → Organizations and associations → Area studies |
| ICAN | Institut de Création et d'Animation Numériques | In French | → Specialized or polytechnical colleges → Graphic arts → Cinema, movies → Graphical processing |
| ICANAS | International Congress for Asian and Northern African Studies | In English | → Congresses → Area studies |
| ICANN | International Conference on Artificial Neural Networks | In English | → Congresses → Artificial intelligence |
| ICANN | Internet Corporation for Assigned Names and Numbers (www.icann.org) | In English | → Organizations and associations → Internet |
| ICAO | International Civil Aviation Organization = IOCA | Internacia Organizo pri Civila Aviado | In Esperanto |
In English | → Organizations and associations → Aeronautics, aircraft → Transport and postal services |
| ICAOB | ICAO Bulletin (International Civil Aviation Organization) | In English | → Serial publications, periodicals → Aeronautics, aircraft → Transport and postal services |
| ICAP | International Conference on Atomic Physics | In English | → Congresses → 53198 |
| ICAP | Idaho Child Abuse Prevention (Coalition) (www.idahosheart.org) | In English | → Organizations and associations → Sexual problems → Law, jurisprudence → United States |
| ICAPC | Increased-Capability Adaptive Payload Carrier | In English | → Astronautics |
| ICAR | Indian Council of Agricultural Research (www.icar.org.in) | In English | → Organizations and associations → Agricultural sciences → Research policy → India |
| ICAR | Initiated Corrective Action Report | In English | |
| ICAR | Investigation and Corrective Action Report | In English | |
| ICAR | Incubateur de Champagne-Ardenne (www.icar-incubateur.fr) | In French | → Engineering, technology → France |
| ICARDA | International Center for Agricultural Research in the Dry Areas | In English | → Research institutes → Agricultural sciences |
| ICARE | Instrumentation, Commande et Architecture des Robots Évolués | In French | → Electronics |
| ICARE | Informatique du CAlcul de RÉseau | In French | → Computer science |
| ICARE | Installation Confinée d'Analyses et de Recherches Environnementales | In French | → Research institutes → Microbiology |
| ICARE | Intelligence dans les CALculs de Recharge | In French | → Computer science |
| ICAREX | Intelligence dans les CAlculs de Recharge en portage uniX | In French | → Computer science |
| ICAROAP | International Co-operative Alliance Regional Office for Asia and the Pacific | In English | |
| ICAS | International Convention of Asia Scholars | In English | → Organizations and associations → Area studies |
| ICAS | Institute for Corean-American Studies | In English | → Area studies |
| ICASSP | International Conference on Acoustics, Speech, and Signal Processing | In English | → Congresses → Acoustical engineering → Linguistics → Telecommunications |
| ICB | Interim Change Bulletin | In English | |
| ICB | Interrupt Control Block | In English | |
| ICB | International Criminal Bar (www.bpi-icb.org) = CISL | Confédération Internationale des Syndicats Libres | In French = ICFTU | International Confederation of Free Trade Unions | In English = CIOSL | Confederación Internacional de Organizaciones Sindicales Libres | In Spanish = CIOSL | Confederação Internacional de Organizações Sindicais Livres | In Portuguese = BPI | Barreau Pénal International | In French |
In English | → Criminology |
| ICB | International Centre of Biocybernetics | In English | → Research institutes → Computer science → Electronics |
| ICBC | IMAX Cargo Bay Camera | In English | |
| ICBM | Intercontinental Ballistic Missile | In English | → Military engineering |
| ICBO | International Conference of Building Officials | In English | → Congresses → Construction |
| ICBP | Institutul de Biologie si Patologie Celulara | In Romanian | → Biological sciences |
| ICC | Integrated Circuit(s) Cards | In English | → Electronics |
| ICC | International Association for Cereal Science and Technology | In English | → Associations → Agricultural sciences |
| ICC | International Criminal Court = CPI | Cour Pénale Internationale | In French |
In English | → International law → Criminal law |
| ICC | Internet Chess Club (www.chessclub.com) | In English | → Organizations and associations → Entertainment → Internet |
| ICC | International Chamber of Commerce (www.iccwbo.org) = CCI | Cámara de Comercio Internacional | In Spanish = CCI | Chambre de Commerce Internationale | In French = CCI | Câmara de Comércio Internacional | In Portuguese |
In English | → Organizations and associations → Trade |
| ICC | Intercomputer Channel | In English | → Networks, communication |
| ICC | Intercomputer Communication | In English | → Networks, communication |
| ICC | Interface Control Chart | In English | → Human-computer interaction |
| ICC | Interface Control Contractor | In English | → Human-computer interaction |
| ICC | Interstate Commerce Commission | In English | → Trade |
| ICC | International Computing Centre (www.unicc.org) = CICE | Centro Internacional de Cálculos Electrónicos | In Spanish = CIC | Centre International de Calcul | In French = CIC | Centro Internacional de Computação | In Portuguese |
In English | → Computer science → United Nations |
| ICC | Integrated Circuit Card | In English | → Electronics |
| ICCA | International Congress and Convention Association | In English | → Associations → Congresses |
| ICCAT | International Commission for the Conservation of Atlantic Tunas (www.iccat.es) | In English | → Organizations and associations → Environmental protection → Fishing, hunting |
| ICCF | Institutul Naţional de Cercetare-Dezvoltare Chimico-Farmaceutică | In Romanian | → Chemistry → Pharmacology, toxicology → Chemical technology |
| ICCHP | International Conference on Computers Helping People with Special Needs | In English | → Congresses → Computer-based techniques |
| ICCO | Interkerkelijke organisatie voor ontwikkelingssamenwerking | In Dutch | → Organizations and associations → Development |
| ICCOS | Infrastructures de Calcul, de COmmunications et Sécurité | In French | → Computer science → Telecommunications |
| ICCP | Interface Coordination and Control Procedure | In English | |
| ICCPR | International Conference on Cultural Policy Research | In English | → Civilization, culture, progress → Politics |
| ICCPR | International Covenant on Civil and Political Rights | In English | → International law → Fundamental rights → Politics |
| ICCR | Indian Council for Cultural Relations | In English | → Civilization, culture, progress → India |
| ICCR | Interdisciplinary Centre for Comparative Research in the Social Sciences = CIR | Centre Interdisciplinare de Recherche Comparative en Sciences Sociales | In French |
In English | → Social sciences |
| ICCR | Interfaith Center on Corporate Responsibility | In English | → Ethics |
| ICCRF | International Chamber of Commerce Research Foundation | In English | → Foundations → Economics |
| ICCV | Institutul de Cercetare a Calităţii Vieţii | In Romanian | |
| ICCWG | Intercenter Communication Working Group | In English | |
| ICD | International Code Designator | In English | |
| ICD | Interface Control Document | In English | → Quality management → Human-computer interaction |
| ICD | Interface Control Documentation | In English | → Quality management → Human-computer interaction |
| ICD | Interface Control Drawing | In English | → Human-computer interaction |
| ICD | Instrument de Coopération au Développement | In French | → European Union |