

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| FIBH | Fonds d'Industrialisation du Bassin Houiller | In French | → Mining | 
| FICA | Federal Insurance Contribution Act | In English | → Central administration → Insurance | 
| FICA | Federal Insurance Contributions Act | In English | → Insurance | 
| FICAM | Fédération des Industries du Cinéma, de l'Audiovisuel et du Multimédia (www.ficam.fr) | In French | → Organizations and associations → Cinema, movies → Software → France | 
| FICC | Federazione Italiana dei Circoli del Cinema (www.ficc.it) | In Italian | → Organizations and associations → Cinema, movies → Italia | 
| FICE | Federazione Italiana Cinema d'Essai (www.fice.it) | In Italian | → Organizations and associations → Cinema, movies → Italia | 
| FICEDL | Fédération Internationale des Centres d'Études et de Documentation Libertaires | In French | → Organizations and associations → Documentation → Anarchist organizations | 
| FICEP | Forum des Instituts Culturels Étrangers à Paris | In French | → Organizations and associations → Civilization, culture, progress → France | 
| FICG | Fédération de l'Imprimerie et de la Communication Graphique (www.ficg.fr) | In French | → Organizations and associations → Graphic industries, printing, publishing → Graphic arts → France | 
| FICG | Fédération de l'Imprimerie et de la Communication Graphique (www.ficg.fr) | In French | → Organizations and associations → Graphic industries, printing, publishing → France | 
| FICIME | Fédération des entreprises internationales de la mécanique et de l'électronique | In French | → Organizations and associations → Mechanical engineering → Electronics | 
| FICM | Facilities Inventory and Classification Manual | In English | |
| FICMES | Foundry Institution of Chinese Mechanical Engineering Society | In English | → Mechanical engineering → Metallurgy → China | 
| FicML | Fiction Markup Language | In English | → Programming languages → Literature | 
| FICOBA | Fichier des Comptes Bancaires | In French | → Files → Banks | 
| FICOBA | Fichier national des Comptes Bancaires et Assimilés | In French | → Files → Financial markets | 
| FICPI | Fédération Internationale des Conseils en Propriété Industrielle | In French | → Organizations and associations → Industrial property | 
| FID | Fédération Internationale de Documentation | In French | → Organizations and associations → Documentation → Libraries | 
| FID | Fédération Internationale d'information et de Documentation | In French | → Organizations and associations → Documentation → Libraries | 
| FID | Flammenionisationsdetektor | In German | |
| FID | Fachverlag für Informationsdienste | In German | |
| FID | Federazione Italiana Dama (www.fid.it) | In Italian | → Organizations and associations → Italia | 
| FID | Festival International du Documentaire | In French | → Cinema, movies | 
| FID | Federazione Italiana Danza (www.federazioneitalianadanza.it) | In Italian | → Organizations and associations → Dance → Italia | 
| FID | Fédération Internationale du Diabète (www.idf.org) = IDF | International Diabetes Federation | In English = FID | Federación Internacional de Diabetes | In Spanish | In French | → Organizations and associations → Physiology → Pathology | 
| FID | Federación Internacional de Diabetes (www.idf.org) = IDF (look above) | In Spanish | → Organizations and associations → Physiology → Pathology | 
| FID | Flight Implementation Directive | In English | → Aeronautics, aircraft → Astronautics | 
| FID | Fonds d'Intervention Départemental | In French | → Regional administration | 
| FIDA | Fondul Internaţional pentru Dezvoltare Agricolă = IFAD | Internacia Fonduso de Agrikultura Disvolvado | In Esperanto | In Romanian | → International relations → Agricultural sciences | 
| FIDA | Federazione Italina Distribuzione Alimentare | In Italian | → Organizations and associations → Trade → Food technology → Italia | 
| FIDA | Fondo Internacional de Desarrollo Agrícola (www.ifad.org) = IFAD | International Fund for Agricultural Development | In English = FIDA | Fonds International de Développement Agricole | In French = FIDA | Fundo Internacional de Desenvolvimento Agrícola | In Portuguese | In Spanish | → United Nations → Finance → Agricultural sciences | 
| FIDA | Fonds International de Développement Agricole (www.ifad.org) = IFAD (look above) | In French | → United Nations → Finance → Agricultural sciences | 
| FIDA | Fundo Internacional de Desenvolvimento Agrícola (www.ifad.org) = IFAD (look above) | In Portuguese | → United Nations → Finance → Agricultural sciences | 
| FIDAL | Federazione Italiana di Atletica Leggera | In Italian | → Organizations and associations → Sport, physical exercises → Italia | 
| FIDAR | Fonds Interministériel de Développement et d'Aménagement Rural | In French | → Central administration → Regional planning | 
| FIDE | Fédération Internationale des Échecs (www.fide.com) | In French | → Organizations and associations → Entertainment | 
| FIDES | Fonds d'Investissement et de Développement Économique et Social | In French | → Finance → Development | 
| FIDIS | (The) Future of Identity in the Information Society | In English | |
| FIE | Flight Instrumentation Engineer | In English | → Aeronautics, aircraft → Astronautics → Electronics | 
| FIEA | Florida Interactive Entertainment Academy | In English | → Academies → Entertainment → United States | 
| FIEA | Fédération Internationale des Experts en Automobile | In French | → Organizations and associations → Automobile manufacturing | 
| FIEA | Forest Industry Engineering Association | In English | → Associations → Forestry | 
| FIEA | Federação das Indústrias do Estado de Alagoas | In Portuguese | → Organizations and associations | 
| FIEC | Fédération de l'Industrie Européenne de la Construction (www.fiec.org) | In French | → Organizations and associations → Civil engineering → Construction | 
| FIED | Fédération Interuniversitaire de l'Enseignement à Distance | In French | → Organizations and associations → 374 | 
| FIEEC | Fédération des Industries Électriques, Électroniques et de Communication (www.fieec.fr) | In French | → Organizations and associations → Electrical engineering → Electronics → Telecommunications → France | 
| FIEJ | Fédération Internationale des Éditeurs de Journaux | In French | → Organizations and associations → Newspapers, journalism → Graphic industries, printing, publishing | 
| FIEN | Filière des Industries Électroniques et Numériques | In French | → Computer science → Telecommunications | 
| FIEV | Fédération des Industries des Équipements pour Véhicules | In French | → Organizations and associations → Vehicle engineering | 
| FIF | Fédération des Industries Ferroviaires (www.fif.asso.fr) | In French | → Organizations and associations → Rail transport engineering → Rail transport → France | 
| FIFA | Fédération Internationale de Football Association (www.fifa.com) = FIFA | Federación Internacional de Fútbol Asociado | In Spanish | In French | → Organizations and associations → Football and rugby | 
| FIFA | Federación Internacional de Fútbol Asociado (www.fifa.com) = (look above) | In Spanish | → Organizations and associations → Football and rugby | 
| FIFG | Financial Instrument for Fisheries Guidance = IFOP | Instrument Financier d'Orientation de la Pêche | In French = FIAF | Finanzinstrument für die Ausrichtung der Fischerei | In German = SFOP | Strumento Finanziario di Orientamento della Pesca | In Italian = FFU | Fonden för Fiskets Utveckling | In Swedish | In English | → Finance → European Union → Fishing, hunting | 
| FIFO | First In/First Out | In English | → 00431 | 
| FIFRA | Federal Insecticide, Fungicide, and Rodenticide Act | In English | |
| FIFTA | Foreign Investment and Foreign Trade Agency | In English | → 33972 | 
| FIG | Fédération Internationale des Géomètres | In French | → Organizations and associations → Geodesy, cartography | 
| FIG | Fédération Internationale de Gymnastique | In French | → Organizations and associations → Sport, physical exercises | 
| FIGISC | Federazione Italiana Gestori Impianti Stradali di Carburanti | In Italian | → Organizations and associations → Italia | 
| FIGLEC | French Investment Guangxi Laibin Electric Power Company | In English | → Electrical engineering | 
| FiHiR | Fióki Hitelgarancia Rendszer | In Hungarian | |
| FIIG | Federal Item Identification Guide | In English | |
| FIIN | Federal Item Identification Number | In English | |
| FiIO | Fiber and Integrated Optics | In English | → Serial publications, periodicals → Optics → Telecommunications | 
| FIIWG | Facility Integration and Installation Working Group | In English | |
| FIJL | Fédération Ibérique des Jeunesses Libertaires | In French | → Organizations and associations → Anarchist organizations | 
| FILE | Feature Identification and Location Equipment | In English | |
| FIM | Field Instruction Memorandum | In English | |
| FIM | Fédération des Industries Mécaniques (www.fim.net) | In French | → Organizations and associations → Mechanical engineering | 
| FIM | Fédération Internationale Motocycliste | In French | → Organizations and associations → Transport and postal services | 
| FIMA | Fundación para la Investigación Médica Aplicada | In Spanish | → Foundations → Medicine | 
| FIMA | Federazione Italiana Mercante d'Arte | In Italian | → Organizations and associations → Trade → Arts → Italia | 
| FIMAA | Federazione Italiana Mediatori e Agenti d'Affari in mediazione | In Italian | → Organizations and associations → Italia | 
| FiMek | Fizicheskaia Mekhanika | In Russian | → Serial publications, periodicals → Physics → Electrical engineering | 
| FIMF | Fonds d'Impulsion de la Microfinance | In French | → Finance → Development | 
| FIMF | Federazione Italiana Modellisti Ferroviare | In Italian | → Organizations and associations → Entertainment → Rail transport engineering → Italia | 
| FIMM | Fédération des Industries et Métiers du Multimédia | In French | → Organizations and associations → Computer science → Cinema, movies | 
| FIMM | Fabbrica Italiana Magneti Marelli | In Italian | → Mechanical engineering → Automobile manufacturing → Italia | 
| FIMO | Formation Initiale Minimale Obligatoire | In French | → Education → Transport and postal services | 
| FIMO | Festival International du Making Of | In French | → Cinema, movies | 
| FIMS | Framework for Integrated Manufacturing System | In English | → Engineering, technology | 
| FINA | Fédération Internationale de Natation | In English | → Organizations and associations → Sport, physical exercises | 
| FINEC | Financement des Équipements Collectifs | In French | → Public administration, government | 
| FINEL | Finanziaria di Partecipazioni Elettriche | In Italian | → Finance → Electrical engineering | 
| FINES | Fichier National en matière Scientifique et Technologique | In French | → Files → Mathematics and natural sciences → Engineering, technology | 
| FINESS | Fichier National des Établissements Sanitaires et Sociaux | In French | → Files → Social welfare → Medicine | 
| FInfo | Fundamenta Informaticae | In Latin | → Serial publications, periodicals → Computer science | 
| FING | Fondation pour l'Internet Nouvelle Génération | In French | → Internet → Foundations | 
| FING | Fondation Internet Nouvelle Génération (www.fing.org) | In French | → Foundations → Internet | 
| FinLAS | Finnish Laboratory Animal Scientists | In English | → Organizations and associations → Biological sciences → Medicine | 
| FIO | Furnished and Installed By Others | In English | |
| FIOD | Fiscale Inlichtingen en Opsporingsdienst | In Dutch | → Central administration → Taxes, duties | 
| FIOM | Fonds d'Intervention et d'Organisation des Marchés des produits de la pêche maritime et des cultures marines | In French | |
| FIOpt | Fiber Integrated Optics | In English | → Serial publications, periodicals → Optics → Telecommunications | 
| FIOS | Fier Is Ons Streven | In Dutch | → Organizations and associations → Sport, physical exercises | 
| FIP | Fonds d'Investissement de Proximité | In French | → Banks | 
| FIP | Formation d'Ingénieurs en Partenariat | In French | → Education → Engineering, technology | 
| FIP | Forest Investment Program | In English | → Forestry | 
| FIPA | Foreign Investment Promotion Agency | In English | → 33972 | 
| FIPA | Festival International de Programmes Audiovisuels | In French | → Cinema, movies | 
| FIPE | Federazione Italiana Pubblici Esercizi | In Italian | → Organizations and associations → Italia | 
| FIPOL | Fonds International d'Indemnisation des dommages dus à la Pollution par les hydrocarbures | In French | → Environmental protection | 
| FIPPA | Federazione Italiana Panificatori, Panificatori-Pasticceri ed Affini | In Italian | → Organizations and associations → Food technology → Italia | 
| FIPRESCI | Fédération Internationale de la Presse Cinématographique | In French | → Organizations and associations → Newspapers, journalism → Cinema, movies | 
| FIPS | Federal Information Processing Standard | In English | → Computer-based techniques → Standardization | 
| FIQV | Fonds d'Intervention pour la Qualité de la Vie | In French | |
| FIR | Fuel Indicator Reading | In English | → Vehicle engineering | 
| FIR | Fonds Immobilier Romand | In French | → Accommodation | 
| FIR | Federazione Italiana Rugby (www.federugby.it) | In Italian | → Organizations and associations → Football and rugby → Italia | 
| FIR | France Initiative Réseau (www.france-initiative.fr) | In French | → Organizations and associations → Finance → France | 
| FIRA | Fédération Internationale de Rugby Amateur | In French | → Organizations and associations → Football and rugby | 
| FIRA | Fédération Inter-Européenne de Rugby Association | In French | → Associations → Football and rugby | 
| FIRE | Force d'Intervention Rapide Électricité | In French | → Electrical engineering | 
| FIRE | Fundación Instituto de Rehabilitación para Personas con Epilepsia | In Spanish | → Organizations and associations → Neurology | 
| FIRILITE | Federation of International Research Institutes on Law and Information Technology in Europe | In English | → Organizations and associations → Research institutes → Law, jurisprudence → Computer science | 
| FIRM | Forschungsinstitut Rechenintensive Methoden (www.wu-wien.ac.at/firm) | In German | → Research institutes → Computer-based techniques → Mathematics | 
| FIRS | Fonds d'Intervention et de Régulation du marché du Sucre | In French | → Food technology | 
| FIRSSE | Far Infrared Sky Survey Experiment | In English | → Astronomy → Astronautics | 
| FIRST | Forum of Incident Response and Security Teams (www.first.org) | In English | → Organizations and associations | 
| FIS | Facility Interface Sheet | In English | |
| FISA | Facility Inspection Shakedown Acceptance | In English | → Quality management | 
| FISB | Foreign Investment Services Bureau | In English | → 33972 | 
| FISH | Fluorescence In Situ Hybridization | In English | → 5708 | 
| FISH | Fluorescent In Situ Hybridization | In English | → Genetics → Biochemistry, biophysics | 
| FISR | Fédération Internationale Syndicaliste Révolutionnaire | In French | → Organizations and associations → Labour, labour economics → Anarchist organizations | 
| FIST | Final Integrated System Test | In English | |
| FIST | Functional Integrated System Test | In English | |
| FIST | France Innovation Scientifique et Transfert (www.fist.fr) | In French | → Research policy → Industry, industrial policy → France | 
| FISTEL | Federazione Informazione Spettacolo e Telecomunicazioni | In Italian | → Organizations and associations → Entertainment → Telecommunications | 
| FIT | Fault Isolation Test | In English | |
| FIT | Federazione Italiana Tabaccai (https://www.tabaccai.it) | In Italian | → Organizations and associations → 6639 → Italia | 
| FIT | Fédération Internationale des Traducteurs (www.fit-ift.org) = IFT | International Federation of Translators | In English | In French | → Organizations and associations → Translation → Linguistics | 
| FITB | Fiji Islands Trade & Investment Board | In English | → 33972 | 
| FITCO | Fuel International Trading Corporation | In English | → Energy economics | 
| FITEQA | Federación de Industrias Textil-Piel, Químicas y Afines | In Spanish | → Organizations and associations → Labour, labour economics → Chemical technology → Textile industry | 
| FITS | Flexible Image Transport System | In English | |
| FIUPSO | Formation d'Ingénieurs de l'Université Paris-Sud à Orsay | In French | → Specialized or polytechnical colleges → Higher education, universities | 
| FIV | Fuel Isolation Valve | In English | → Vehicle engineering | 
| FIV | Feline Immunodeficiency Virus | In English | → Virology → Immunology and allergy → Infectious diseases | 
| FIV | Fonds d'Intervention pour la Ville | In French | → Regional planning | 
| FIVRE | Fabbrica Italiana Valvole Radio Elettriche | In Italian | → Electrical engineering → Italia | 
| FizAS | Fizika Aerodispersnykh Sistem | In Russian | → Serial publications, periodicals → Fluid mechanics | 
| FizEl | Fizicheskaia Elektronika | In Russian | → Serial publications, periodicals → Physics → Electronics | 
| FizGV | Fizika Goreniia i Vzryva = FizGV | Физика горения и взрыва | In Russian | In Russian | → Serial publications, periodicals → Thermodynamics → 62143 | 
| FizGV | Физика горения и взрыва = (look above) | In Russian | → Serial publications, periodicals → Thermodynamics → 62143 | 
| FizKM | Fiziko-Khimicheskaia Mekhanika Materialov | In Russian | → Serial publications, periodicals → Physics → Chemistry | 
| FizKO | Fizika i Khimiia Obrabotki Materialov = FizKO | Физика и химия обработки материалов | In Russian | In Russian | → Serial publications, periodicals → Physics → Chemistry → 62039 | 
| FizKO | Физика и химия обработки материалов = (look above) | In Russian | → Serial publications, periodicals → Physics → Chemistry → 62039 | 
| FizMM | Fizika Metallov i Metallovedenie = FizMM | Физика металлов и металловедение | In Russian | In Russian | → Serial publications, periodicals → Mechanics → 539 → Metallurgy | 
| FizMM | Физика металлов и металловедение = (look above) | In Russian | → Serial publications, periodicals → Mechanics → 539 → Metallurgy | 
| FizMS | Fizika Mnogochastichnykh Sistem | In Russian | → Serial publications, periodicals → Physics | 
| FizNT | Fizika Nizkikh Temperatur = ФНТ | Физика низких температур | In Russian | In Russian | → Serial publications, periodicals → Physics | 
| FizPl | Fizika Plazmy = FizPl | Физика плазмы | In Russian | In Russian | → Serial publications, periodicals → Plasma physics | 
| FizPl | Физика плазмы = (look above) | In Russian | → Serial publications, periodicals → Plasma physics | 
| FizTT | Fizika Tverdogo Tela = Фтт | Физика твердого тела | In Russian | In Russian | → Serial publications, periodicals → Mechanics | 
| FizTV | Fizika i Tekhnika Vysokikh Davlenii = FizTV | Физика и техника высоких давлений | In Russian | In Russian | → Serial publications, periodicals → Fluid mechanics → Engineering, technology | 
| FizTV | Физика и техника высоких давлений = (look above) | In Russian | → Serial publications, periodicals → Fluid mechanics → Engineering, technology | 
| FizZS | Fizika Zhidkogo Sostoianiia | In Russian | → Serial publications, periodicals → Physics | 
| FJA | Fédération des Jeunesses Anarchistes | In French | → Organizations and associations → Anarchist organizations | 
| FJCF | Fédération de la Jeunesse Canadienne-Française | In French | → Organizations and associations | 
| FJCT | Federatie Christelijk Jeugdwurk Tytsjerksteradiel | In Dutch | → Organizations and associations → Christianity | 
| FK | Fundamenta Krestomatio | In Esperanto | → Encyclopaedias, reference works → Artificial languages (linguistics) | 
| FKB | Flight Display Keyboard | In English | → Aeronautics, aircraft → Astronautics | 
| FKÖ | Filistin Kurtuluş Örgütü = PLO | Palestine Liberation Organization | In English = FAT | Fələstin Azadlıq Təşkilatı | In Azerbaijani = ООП | Организация за освобождение на Палестина | In Bulgarian = OAP | Organització per a l'Alliberament de Palestina | In Catalan = OOP | Organizace pro osvobození Palestiny | In Czech = OLP | Organización para la Liberación de Palestina | In Spanish = OLP | Organisation de Libération de la Palestine | In French = PAE | Palestinaren Askapenerako Erakundea | In Basque = OLP | Organizaĵo por Liberigo de Palestino | In Esperanto = OLP | Organización para a Liberación da Palestina | In Galician = PLO | 팔레스타인 해방기구 | In Korean = OLP | Organização para a Libertação da Palestina | In Portuguese = OWP | Organizacja Wyzwolenia Palestyny | In Polish = PLO | パレスチナ解放機構 | In Japanese = ПЛО | Палестинската ослободителна организација | In Macedonian = PIO | Palestinos išsivadavimo organizacija | In Lithuanian = პგო | პალესტინის განთავისუფლების ორგანიზაცია | In Georgian = OLP | Organizzazione per la Liberazione della Palestina | In Italian = ООП | Организация освобождения Палестины | In Russian = ПЛО | Палестинска ослободилачка организација | In Serbian = PLO | 巴勒斯坦解放組織 | In Chinese = OВП | Організація визволення Палестини | In Ukrainian | In Turkish | → Political parties and movements | 
| FKTG | Fernseh- und Kinotechnische Gesellschaft (www.fktg.de) | In German | → Organizations and associations → Telecommunications → Cinema, movies | 
| FKV | Fachverband Klinische Verhaltenstherapie | In German | → Organizations and associations → Psychology → Neurology | 
| FL | Feed Line | In English | |
| FL | Flow Line | In English | |
| FL | Forward Link | In English | |
| FLAC | Fédération des Luttes Anti-Corrida | In French | → Organizations and associations → 5023 | 
| FLAG | Flexible Assignment Generator | In English | |
| FLAGE | Flexible Lightweight Agile Guided Experiment | In English | |
| FLAIR | Functional Language Articulated Interactive Resource | In English | |
| FLAME | Familiy of Atlantic Model Experiment | In English | → Meteorology, climatology → Marine research, oceanography | 
| FLAPS | Flight Application Software | In English | → Aeronautics, aircraft → Astronautics → Software | 
| FLC | Federal Library Committee | In English | → Libraries | 
| FLC | Forward Load Control | In English | |
| FLCA | Forward Load Controller Assembly | In English | |
| FLDDPS | Fonds de Lutte contre la Désertification et de Développement du Pastoralisme et de la Steppe | In French | → Development → Agricultural sciences | 
| FlDy | Fluid Dynamics | In English | → Serial publications, periodicals → Fluid mechanics | 
| FlDyR | Fluid Dynamics Research | In English | → Serial publications, periodicals → Fluid mechanics | 
| FlDyT | Fluid Dynamics Transactions | In English | → Serial publications, periodicals → Fluid mechanics | 
| FLEJA | Flandra Esperanto-Junulara Asocio | In Esperanto | → Associations → Artificial languages (linguistics) | 
| FLEKS | Senter for fleksibel læring og kompetanseutvikling | In Norwegian | → Education | 
| FLF | Finlands Läkarförbundet (www.laakariliitto.fi) = SLL | Suomen Lääkäriliitto | In Finnish = FMA | Finnish Medical Association | In English | In Swedish | → Organizations and associations → Medicine → Finland | 
| FLFC | Front de Libération de la Franche-Comté | In French | → Political parties and movements | 
| FliIn | Flight International | In English | → Serial publications, periodicals → Aeronautics, aircraft | 
| FLIM | Fluorescence Lifetime Imaging | In English | |
| FLIR | Forward-Looking Infrared | In English | |
| FLLK | Frustum-Lifting Lug Kit | In English | |
| FLM | Factored Language Model | In English | → Linguistics | 
| FLM | Fédération Libertaire des Montagnes | In French | → Organizations and associations → Anarchist organizations | 
| FlMSR | Fluid Mechanics Soviet Research | In English | → Serial publications, periodicals → Fluid mechanics | 
| FLO | Functioneel Leeftijdsontslag | In Dutch | |
| FLOPS | Floating-Point Operations Per Second | In English | → Computer science | 
| FLOSS | Free/Libre Open Source Software | In English | → Software | 
| FLOTUS | First Lady Of The United States | In English | → Politics → Central administration | 
| FLOZ | Flussordnungszahl | In German | → Hydrology | 
| FLPS | Flight Load Planning System | In English | → Aeronautics, aircraft → Astronautics | 
| FLR | Flight Log Recorder | In English | → Aeronautics, aircraft → Astronautics |