| AER | Association Européenne de Rugby | In French | → Associations → Football and rugby |
| AERA | Amikaro de Esperanto en Radio | In Esperanto | → Organizations and associations → Telecommunications |
| AeRaG | Aerodinamika Razrezhennykh Gazov | In Russian | → Serial publications, periodicals → Aerodynamics |
| AERDHA | Association d'Entraide pour la Réhabilitation de l'Habitat et le développement de l'assainissement | In French | → Organizations and associations → Accommodation → Environmental technology, water supply, waste management |
| AERFAI | Asociación Española de Reconocimientos de Formas y Análisis de Imágenes (www.aerfai.org) | In Spanish | → Associations → Graphical processing → Image processing |
| AERI | Association Expositions de Résistance Intérieure | In French | → Associations → History |
| AERI | Association pour des Études sur la Résistance Intérieure (www.aeri-resistance.com) | In French | → Associations → History |
| AERIO | Association d'Enseignement et de Recherche des Internes en Oncologie | In French | → Associations → Education → Oncology |
| AerRv | Revue Aérospatiale | In French | → Serial publications, periodicals → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| AerST | Aerosol Science Technology | In English | → Serial publications, periodicals → Meteorology, climatology |
| AerTe | Aerojet Technology | In English | → Serial publications, periodicals → Aerodynamics → Aeronautics, aircraft |
| AES | Advanced Encryption Standard | In English | → Computer science → Mathematics |
| AES | American Electrochemical Society | In English | → Organizations and associations → Electrical engineering → Chemical technology |
| AES | American Electroplaters Society | In English | → Organizations and associations → Metallurgy |
| AES | American Epilepsy Society (www.aesnet.org) | In English | → Organizations and associations → Neurology |
| AES | Association Européenne de Sociologie | In French | → Organizations and associations → Sociology |
| AeSc | Collection of Papers on Aerospace Science | In English | → Serial publications, periodicals → Astronomy → Spaceflight engineering, astronautics |
| AeSIJ | Aeronautical Society India Journal | In English | → Serial publications, periodicals → Aerodynamics → Aeronautics, aircraft |
| AEST | Apliko de Esperanto en Scienco kaj Tekniko | In Esperanto | → Congresses → Mathematics and natural sciences → Applied sciences, technology |
| AET | Associazione Esperantista Trentina (http://trento.esperantoitalia.it) | In Italian | → Associations |
| AETL | Approved Engineering Test Laboratory | In English | → Research institutes |
| AExpr | Astronomy Express | In English | → Serial publications, periodicals → Astronomy |
| AF | Anisotropische Filtering | In Dutch | → Computer-based techniques |
| AF | Assured Forwarding | In English | → Networks, communication → Telecommunications |
| AFA | American Federation of Astrologers | In English | → Organizations and associations → Occult sciences |
| AFA | Akademisches Forum für Außenpolitik | In German | → Organizations and associations → International relations |
| AFA | Arbeitsgemeinschaft für Atempflege | In German | → Associations → Dermatology |
| AFA | American Family Association | In English | → Associations → Christianity |
| AFA | Agence Française de l'Adoption | In French | → Organizations and associations |
| AFA | Asociación del Fútbol Argentino | In Spanish | → Associations → Sport, physical exercises |
| AfA | Arbeitsgemeinschaft für Arbeitnehmerfragen | In German | → Associations → Labour, labour economics → Political parties and movements |
| AFA | Advertising Federation of Australia | In English | → Organizations and associations → 6591 |
| AFA | Antifascistisk Aktion | In Swedish | → Organizations and associations → Politics |
| AFA | American Finance Association | In English | → Associations → Finance |
| AFA | Association Française d'Astronomie | In French | → Associations → Astronomy |
| AFA | Association of Flight Attendants | In English | → Associations → Education → Transport and postal services |
| AFA | American Fastpitch Association | In English | → Associations |
| AFA | American Fence Association | In English | → Associations → Sport, physical exercises |
| AFA | (The) Air Force Association | In English | → Associations → 358 |
| AFA | Association des Fournisseurs d'Accès | In French | → Internet → Associations → Telecommunications |
| AFA | American Foundrymen's Association | In English | → Organizations and associations → Metallurgy |
| AFA | Association Française des Anthropologues | In French | → Associations → Anthropology |
| AFA | Association François Aupetit | In French | → Associations → Pathology |
| AFAA | Association Française d'Action Artistique | In French | → Associations → Arts |
| AFAL | Air Force Avionics Laboratory | In English | → Research institutes → 358 → Spaceflight engineering, astronautics |
| AFAL | Air Force Astronautics Laboratory | In English | → Research institutes → 358 → Spaceflight engineering, astronautics |
| AFALD | Air Force Acquisition Logistics Division | In English | → 358 → Maintenance and logistics |
| AFAN | Association pour les Fouilles Archéologiques Nationales | In French | → Associations → Archeology |
| AFAPL | Air Force Aero Propulsion Laboratory | In English | → Research institutes → 358 → Aeronautics, aircraft |
| AFAQ | Association Française pour l’Assurance de la Qualité (www.afaq.org) | In French | → Associations → Quality management |
| AFAR | Annales Françaises d'Anesthésie et de Réanimation | In French | → Serial publications, periodicals → Anesthesiology |
| AFAST | Association Franco-Allemande pour la Science et la Technologie | In French | → Associations → Mathematics and natural sciences → Engineering, technology |
| AFATL | Air Force Armaments Test Laboratory | In English | → Research institutes → 358 → Military engineering |
| AFB | Association Française des Banques | In French | → Associations → Banks |
| AFBMA | Antifriction Bearing Manufacturing Association | In English | → Organizations and associations |
| AFC | Alkmaarsche Football Club | In Dutch | → Organizations and associations → Football and rugby |
| AFC | Amsterdamse Football Club | In Dutch | → Organizations and associations → Football and rugby |
| AFCA | Association Française du Cinéma d'Animation (www.afca.asso.fr) | In French | → Associations → Cinema, movies |
| AFCAB | Association Française de Certification des Armatures du béton (www.afcab.com) | In French | → Associations → Civil engineering → Building |
| AFCAC | African Civil Aviation Commission | In English | → Organizations and associations → Aeronautics, aircraft |
| AFCAE | Association Française des Cinémas d'Art et Essai (www.art-et-essai.org) | In French | → Associations → Cinema, movies |
| AFCE | Association Française des Cheminots pour l'Espéranto = FFEA | Franca Fervojista Esperanto-Asocio | In Esperanto |
In French | → Associations → Rail transport engineering → Transport and postal services |
| AFCEC | Association Française pour les règles de réalisation et de contrôle des matériels conventionnels de grandes Centrales thermiques et nucléaires de production d'ÉleCtricité | In French | → Organizations and associations → Electrical engineering |
| AFCEC | Alabama Federation Council for Exceptional Children | In English | → Organizations and associations → Education |
| AFCEN | Association Française pour les règles de conception et de construction des matériels des Chaudières ÉlectroNucléaires | In French | → Organizations and associations → Nuclear technology → Electrical engineering |
| AFCI | Association of Film Commissioners International (www.afci.org) | In English | → Associations → Cinema, movies |
| AFD | Advanced Formating Device | In English | → Document processing |
| AFD | Acceptance For Data | In English | → Data |
| AFDESI | Association Française des Développeurs et Éditeurs de Services TV Interactifs | In French | → Organizations and associations → Telecommunications |
| AFDESI | Association Française des Développeurs, Éditeurs et Fournisseurs de Services en télévision Interactive (www.afdesi.org) | In French | → Associations → Networks, communication → Telecommunications |
| AFDP | Associtation Française des Distributeurs de Papiers | In French | → Organizations and associations → Trade → Paper and board industry |
| AFDPR | Asociaţia Foştilor Deţinuţi Politici din România | In Romanian | → Associations |
| AFE | Alfabet Fonetike Eternåcionå = AFI | Alfabetul Fonetic Internaţional | In Romanian = LFE | Lizherenneg Fonetikel Etrebroadel | In Breton = МФА | Международната фонетична азбука | In Bulgarian = IPA | Internationales Phonetisches Alphabet | ALS = AFI | Alfabet fonètic internacional | In Catalan = IFA | Internacia Fonetika Alfabeto | In Esperanto = IPA | International Phonetic Alphabet | In English = ΔΦΑ | Διεθνές Φωνητικό Αλφάβητο | In Greek = IPA | Internationales Phonetisches Alphabet | In German = API | Alphabet Phonétique International | In French = AFI | Alfabeto Fonético Internacional | In Spanish = AFI | Alfabeto Fonético Internacional | In Galician = NAF | Nazioarteko Alfabeto Fonetikoa | In Basque = IPA | Internationalt Phonetescht Alphabet | In Letzeburgesh = AFI | Alfabeto Fonetico Internazionale | In Italian = МФА | Международный фонетический алфавит | In Russian = AFI | Alfabeto Fonético Internacional | In Portuguese = AFI | Alfabet fonetic internacionau | In Occitan = IFA | Internationoal Fonetisch Alfabet | VLS = AFN | Alfabeti Fonetik Ndërkombëtar | SQ |
In Walloon | → Writing systems |
| AFEC | Association pour la Formation et l'Enseignement Continu | In French | → Associations → Education |
| AFED | Association Française Edwards Deming (www.fr-deming.org) | In French | → Associations |
| AFED | Aide aux Familles des Enfants Disparus | In French | → Organizations and associations |
| AFED | Association des Familles et Exilés Djiboutiens (http://afed.asso.free.fr) | In French | → Associations → Migrations |
| AFED | Association Femmes Et Développement | In French | → Associations → Development |
| AFED | Association Française des Enquêteurs Diplômés | In French | → Associations → Law, jurisprudence |
| AFEE | Association Française pour l'Étude des Eaux | In French | → Associations → Hydrology |
| AFEIV | Association Française d'Études Internationale de Vexillologie | In French | → Associations → 9299 |
| AFEP | Association Française des Entreprises Privées | In French | → Associations → Economics |
| AFEQ | Association Francaise pour l’Étude du Quaternaire | In French | → Associations → Earth sciences |
| AFERNOD | Association Française d'Étude et de Recherche des Nodules océaniques | In French | → Associations → Marine research, oceanography |
| AFFDL | Air Force Flight Dynamics Laboratory | In English | → Research institutes → 358 → Aeronautics, aircraft |
| AFG | Association Française du Gaz | In French | → Associations → Energy economics |
| AFGC | Association Française de Génie Civil (www.afgc.asso.fr) | In French | → Associations → Civil engineering |
| AFGE | American Federation of Government Employees | In English | → Organizations and associations → Labour, labour economics |
| AFGL | Air Force Geophysics Laboratory | In English | → Research institutes → 358 → Geophysics |
| AFH | Association Française des Hémophiles | In French | → Associations → Blood and circulatory system → Pathology |
| AFHF | Air Force Historical Foundation | In English | → Foundations → 358 → History |
| AFI | Association Fête de l'Internet | In French | → Internet → Associations |
| AFI | Alfabetul Fonetic Internaţional = AFE, LFE, МФА, IPA, IFA, ΔΦΑ, API, NAF, AFN (look above) |
In Romanian | → Writing systems |
| AFI | Alfabeto Fonetico Internazionale = AFE, LFE, МФА, IPA, IFA, ΔΦΑ, API, NAF, AFN (look above) |
In Italian | → Writing systems |
| AFI | Alfabeto Fonético Internacional = AFE, LFE, МФА, IPA, IFA, ΔΦΑ, API, NAF, AFN (look above) |
In Portuguese | → Writing systems |
| AFI | Alfabet fonetic internacionau = AFE, LFE, МФА, IPA, IFA, ΔΦΑ, API, NAF, AFN (look above) |
In Occitan | → Writing systems |
| AFI | Alfabet fonètic internacional = AFE, LFE, МФА, IPA, IFA, ΔΦΑ, API, NAF, AFN (look above) |
In Catalan | → Writing systems |
| AFI | Alfabeto Fonético Internacional = AFE, LFE, МФА, IPA, IFA, ΔΦΑ, API, NAF, AFN (look above) |
In Galician | → Writing systems |
| AFI | Alfabeto Fonético Internacional = AFE, LFE, МФА, IPA, IFA, ΔΦΑ, API, NAF, AFN (look above) |
In Spanish | → Writing systems |
| AFI | American Film Institute (www.afi.com) | In English | → Organizations and associations → Specialized or (poly)technical colleges → Cinema, movies |
| AFIA | Association Française pour l'Intelligence Artificielle | In French | → Associations → Artificial intelligence |
| AFIC | Associazione Festival Italiani di Cinema (www.aficfestival.it) | In Italian | → Associations → Cinema, movies |
| AFIC | Association Française des Investisseurs en Capital | In French | → Associations → Financial markets |
| AFIC | Australian Federation of Islamic Councils | In English | → Organizations and associations → Islam |
| AFICTIC | Association Française des Ingénieurs Chimistes et Techniciens des Industries du Cuir (www.ctc.fr/afictic/) | In French | → Associations → Chemical technology → Leather industry |
| AFIM | Association Française de l'Internet Mobile | In French | → Internet → Associations → Telecommunications |
| AFJV | Agence Française pour le Jeu Vidéo (www.afjv.com) | In French | → Software → Entertainment |
| AFLB | Annales de la Fondation Louis de Broglie | In French | → Serial publications, periodicals → Mathematics and natural sciences |
| AFLC | Air Force Logistics Command | In English | → Maintenance and logistics → 358 |
| AFM | Association Française du Marketing | In French | → Associations → 659 |
| AFM | Association Française contre les Myopathies | In French | → Associations → Pathology |
| AFM | Association Francaise de Microminéralogie | In French | → Associations → Mineralogy |
| AFM | Association Française de Musicothérapie | In French | → Associations → 6158 → Music |
| AFM | Association Fribourgeoise Motocycliste | In French | → Associations → Transport and postal services |
| AFM | American Federation of Motorcyclists | In English | → Organizations and associations → Transport and postal services |
| AFM | American Federation of Musicians | In English | → Organizations and associations → Music |
| AFM+E | Außenhandelsverband für Mineralöl und Energie | In German | → Organizations and associations → Trade → Energy economics → 665 |
| AFM+E | Außenhandelsverband für Minerall und Energie | In German | → Organizations and associations → Trade → Energy economics → Mining |
| AFMa | Air Force Magazine | In English | → Serial publications, periodicals → 358 → Aeronautics, aircraft |
| AFME | Association Francophone de Management Électronique | In French | → Organizations and associations → Knowledge management |
| AFME | Association Française des Médecins Esthéticiens | In English | → Associations → Plastic surgery |
| AFME | Asociación de Fabricantes de Material Eléctrico | In Spanish | → Associations → Electrical engineering |
| AFML | Air Force Materials Laboratory | In English | → Research institutes → 358 → Military engineering |
| AFN | Alfabeti Fonetik Ndërkombëtar = AFE, AFI, LFE, МФА, IPA, IFA, ΔΦΑ, API, NAF (look above) |
[SQ] | → Writing systems |
| AFNET | Association Francophone des utilisateurs du NET, du e-business et de la société en réseau | In French | → Networks, communication → Associations → Trade → 65 |
| AFNIC | Association Française pour le Nommage Internet en Coopération | In French | → Internet → Associations → Telecommunications |
| AFNOR | Association Francaise de Normalisation | In French | → Standardization → Associations |
| AFOEV | Bulletin de l'Association Française d'Observateurs d'Étoiles Variables | In French | → Serial publications, periodicals → Astronomy |
| AFOM | Association Française des Opérateurs Mobiles | In French | → Organizations and associations → Telecommunications |
| AFORM | Association Française des Opérateurs de Réseaux Multiservices | In French | → Networks, communication → Associations → Telecommunications |
| AFORS | Association Française des Opérateurs de Réseaux et Services de Télécommunications | In French | → Organizations and associations → Telecommunications |
| AFOSEM | Association pour la Formation dans le Secteur des Métiers | In French | → Organizations and associations → Education |
| AFP | Agence France Presse | In French | → Newspapers, journalism |
| AFP | Arbejdsgruppen Freinetpaedagoger | In Danish | → Organizations and associations → Education |
| AFPA | Association pour la Formation Professionnelle des Adultes | In French | → Organizations and associations → Education |
| AFPA | Association nationale pour la Formation Professionnelle des Adultes | In French | → Organizations and associations → Education |
| AFPA | Association de Formation Professionnelle des Adultes | In French | → Associations → Labour, labour economics → Education |
| AFPE | Association de Formation Pour l'Emploi | In French | → Organizations and associations → Labour, labour economics |
| AFPF | Association Française des Producteurs de Films et des programmes audiovisuels (www.afpf.net) | In French | → Associations → Cinema, movies |
| AFR | Association Foncière de Remembrement | In French | → Organizations and associations |
| AFRE | Alta Frequenza - Rivista di Elettronica | In Italian | → Serial publications, periodicals → Electronics |
| AFRIF | Association Française pour la Reconnaissance et l'Interprétation des Formes | In French | → Associations → Computer-based techniques |
| AFRPL | Air Force Rocket Propulsion Laboratory | In English | → Research institutes → 358 → Spaceflight engineering, astronautics |
| AFRS | Association Fédérale des Responsables de la Sécurité (www.faso-afrs.ca) = FASO | Federal Association of Security Officials | In English |
In English | → Associations |
| AFRS | Association Française des Revendeurs Spécialisés (www.afrs.fr) | In French | → Associations → Trade → Software → Entertainment |
| AFS | Association Française de Stérilisation | In French | → Associations → Pharmacology, toxicology |
| AFS | American Foundry Society | In English | → Organizations and associations → Metallurgy |
| AFS | Association Française de Sociologie | In French | → Associations → Sociology |
| AFS | Air Force Standard | In English | → Standardization → 358 |
| AFSA | Association Francophone des Soigneurs Animaliers | In French | → Associations → Agricultural sciences |
| AFSCME | American Federation of State, County and Municipal Employees | In English | → Organizations and associations → Labour, labour economics → Public administration, government |
| AFT | Association pour le développement de la Formation professionnelle dans les Transports | In French | → Organizations and associations → Labour, labour economics → Education → Transport and postal services |
| AFTRI | Association Française des Transports Routiers Internationaux | In French | → Associations → Higher education, universities → Transport and postal services |
| AFU | African Virtual University | In English | → Networks, communication → Higher education, universities |
| AFU | Association Foncière Urbaine | In French | → Organizations and associations → Accommodation |
| AFU | Association Française d'Urologie | In French | → Associations → Urology |
| AFUL | Association Francophone des Utilisateurs de Linux et des Logiciels Libres | In French | → Programming languages → Operating systems → Organizations and associations |
| AFUP | Association Francaise des Utilisateurs de PHP | In French | → Programming languages → Organizations and associations |
| AFUTT | Association Française des Utilisateurs des Télécommunications | In French | → Associations → Networks, communication → Telecommunications |
| AFUU | Association Francaise des Utilisateurs d'Unix | In French | → Associations → Operating systems |
| AFVP | Association Française des Volontaires du Progrès | In French | → Organizations and associations |
| AFWAL | Air Force Weapons Analysis Laboratory | In English | → Research institutes → 358 → Military engineering |
| AFWAL | Air Force Wright Aeronautical Laboratory | In English | → Research institutes → 358 → Aeronautics, aircraft |
| AFWL | Air Force Weapons Laboratory | In English | → Research institutes → 358 → Military engineering |
| AFWPAL | Air Force Wright-Patterson Aeropropulsion Laboratory | In English | → Research institutes → 358 → Aeronautics, aircraft |
| Afz | Astrofizika | In Russian | → Serial publications, periodicals → Astronomy |
| AFZ | Akademischer Fechtclub Zürich | In German | → Organizations and associations → Sport, physical exercises |
| AFZ | Association Française de Zootechnie | In French | → Associations → Zoology → Agricultural sciences |
| AfZ | Archiv für Zeitgeschichte | In German | → Serial publications, periodicals → History |
| AFZ | Allgemeine Fleischer Zeitung | In German | → Serial publications, periodicals → Food technology |
| AG | Advisory Group | In English | → Organizations and associations |
| AG3L | Association Gabonaise des utilisateurs de Linux et des Logiciels Libres | In French | → Associations → Operating systems |
| AGA | American Gas Association | In English | → Associations → 55398 |
| AGAI | Anesthesia and Intensive Care Association | In English | → Associations → Anesthesiology → Traumatology |
| AGB | Amsterdam Gençler Birligi | In Dutch | → Organizations and associations → Sport, physical exercises |
| AGCAS | Association of Graduate Careers Advisory Services | In English | → Associations → Labour, labour economics |
| AGCC | Association pour la Gestion des Conventions de Reconversion | In French | → Organizations and associations |
| AGCP | Association pour la Gestion de la Conférence de Paris | In French | → Organizations and associations |
| AGDIL | Association Guadeloupéenne pour le Développement de l'Informatique Libre | In French | → Associations → Software |
| AGECIF | Association nationale pour la Gestion du Congé Individuel de Formation dans les organismes de sécurité sociale | In French | → Organizations and associations → Education → Insurance |
| AGECIF | Association pour la GEstion des Congés Individuels de Formation | In French | → Associations → Labour, labour economics → Education |
| AGEFIPH | Association pour la Gestion du Fonds pour l'Insertion professionnelle des Personnes Handicapées | In French | → Organizations and associations → Labour, labour economics → Education |
| AGEFOS | Association de GEstion de FOrmation des Salariés de PME | In French | → Associations → Labour, labour economics → Education |
| AGEMA | Association pour la Gérance des Écoles de formation Maritime et Aquacole | In French | → Organizations and associations → Specialized or (poly)technical colleges → Marine research, oceanography → 6295 |
| AGERA | Alliance des Grandes Écoles Rhône-Alpes | In French | → Organizations and associations → Specialized or (poly)technical colleges |
| AGESSA | Association pour la Gestion de la Sécurité Sociale des Auteurs | In French | → Organizations and associations → Insurance |
| AGH | Akademia Górniczo-Hutnicza | In Polish | → Academies |
| AGIR | Asociaţia Generală a Inginerilor din România | In Romanian | → Associations → Engineering, technology |
| AGIRC | Association Générale des Institutions de Retraites des Cadres | In French | → Organizations and associations → Labour, labour economics |
| AGIRC | Association Générale des Institutions de Retraites Complémentaires | In French | → Associations → Labour, labour economics → Insurance |
| AGIS | Associazione Generale Italiana dello Spettacolo | In Italian | → Associations → Entertainment |
| AGISM | Association pour la Gestion des Institutions Sociales Maritimes | In French | → Organizations and associations → Social welfare |
| AGL | Association du Génie Logiciel | In French | → Software → Organizations and associations |
| AGMA | American Gear Manufacturer's Association | In English | → Organizations and associations → Engineering, technology |
| AGN | Arbeitsgemeinschaft für Notfallmedizin | In German | → Associations → Traumatology |
| AGNP | Arbeitsgemeinschaft für Neuropsychopharmakologie und Pharmakopsychiatrie | In German | → Associations → Pharmacology, toxicology → Neurology → Medicine |
| AGO | Arbeitsgemeinschaft für Gynäkologische Onkologie | In German | → Associations → Oncology → Gynaecology |
| AGORA | Access to Global Online Research in Agriculture | In English | → Libraries → Agricultural sciences |
| AGOVV | Alleen Gezamenlijk Oefenen Voert Verder | In Dutch | → Organizations and associations → Sport, physical exercises |
| AGp | Annals of Geophysics | In English | → Serial publications, periodicals → Geophysics |