| Acronym | Sense | Language | Topics |
|---|---|---|---|
| A&P | Airframe and Power Plant | In English | → Specialized or polytechnical colleges → Aeronautics, aircraft |
| AA | Affirmative Action | In English | → Politics |
| AAA | American Arbitration Association | In English | → Associations → Law, jurisprudence → United States |
| AAA | Alianza Apostólica Anticomunista | In Spanish | → Political parties and movements |
| AABSS | American Association of Behavioral and Social Sciences (http://aabss.org) | In English | → Associations → Psychology → United States |
| AAC | Austrian Academy Corpus (www.aac.ac.at) | In English | → Libraries → Higher education, universities → Austria |
| AAC | Attaché d'Administration Centrale | In French | → Central administration |
| AAC | Apprentissage Anticipé de la Conduite | In French | → Education → Transport and postal services |
| AAC&U | Association of American Colleges and Universities (www.aacu.org) | In English | → Organizations and associations → Education → Higher education, universities → United States |
| AACA | Army Air Corps Association | In English | → Associations → 359 |
| AACE | American Association for Cancer Education (www.aaceonline.com) | In English | → Associations → Education → Oncology → United States |
| AACP | American Association of Colleges of Pharmacy (www.aacp.org) | In English | → Associations → Education → Pharmacology, toxicology → United States |
| AACPSM | Actual Average Cost Per Successful Mission | In English | → Prices |
| AACU | Association des Agents Comptables d'Université | In French | → Associations → Accounting → Higher education, universities |
| AACU | Association of American Colleges and Universities (www.aacu.org) | In English | → Organizations and associations → Education → Higher education, universities → United States |
| AAD | Avrupa Adalet Divanı (http://curia.europa.eu) = EuGH | Europäischer Gerichtshof für Menschenrechte | In German = CJEC | Court of Justice of the European Communities | In English = CJCE | Cour de Justice des Communautés Européennes | In French = TJCE | Tribunal de Justícia de les Comunitats Europees | In Catalan = LICE | Llys Cyfiawnder Ewrop | In Welsh = ΔΕΚ | Δικαστήριο των Ευρωπαϊκών Κοινοτήτων | In Greek = JKEK | Justica Kortumo de Eŭropaj Kortumoj | In Esperanto = TJCE | Tribunal de Justicia de las Comunidades Europeas | In Spanish = CGCE | Corte di Giustizia delle Comunità Europee | In Italian = HvJEG | Hof van Justitie van de Europese Gemeenschappen | In Dutch = EBTT | Europos Bendrijų Teisingumo Teismas | In Lithuanian = CEJ | Curtea Europeană de Justiţie | In Romanian = ETS | Europejski Trybunał Sprawiedliwośc | In Lithuanian = ESD | Evropský soudní dvůr | In Czech = ECJ | European Court of Justice | In English = CJE | Cour de Justice Européenne | In French = CBCE | Cúirt Bhreithiúnais na gComhphobal Eorpach | In Irish = EKB | Európai Közösségek Bírósága | In Hungarian = ETT | Europos Teisingumo Teismas | In Lithuanian = ETS | Europejski Trybunał Sprawiedliwości | In Polish = TJUE | Tribunal de Justiça da União Europeia | In Portuguese = ESP | Evropski sud pravde | In Serbo-Croatian = SES | Sodišče Evropskih skupnosti | In Slovenian |
In Turkish | → Law, jurisprudence → European Union → Europe |
| AADE | American Association of Diabetes Educators | In English | → Associations → Education → Physiology → Pathology → United States |
| AADPRT | American Association of Directors of Psychiatric Residency Training | In English | → Associations → Education → Psychiatry → United States |
| AADS | American Association of Dental Schools | In English | → Associations → Specialized or polytechnical colleges → Dentistry → United States |
| AADSAS | Associated American Dental Schools Application Service | In English | → Specialized or polytechnical colleges → Dentistry → United States |
| AAE | Army Acquisition Executive | In English | → Military affairs |
| AAEMS | Association Amicale des Étudiants en Médecine de Strasbourg | In French | → Associations → Higher education, universities → Medicine |
| AAENES | Attaché d'Administration de l'Éducation Nationale et de l'Enseignement Supérieur | In French | → Central administration → Education |
| AAF | American Austrian Foundation (www.aaf-online.org) | In English | → Foundations → International relations |
| AAFES | Army Air Force Exchange Service | In English | → 358 → United States |
| AAFP | American Academy of Forensic Psychology (www.abfp.com) | In English | → Academies → Psychology → Criminology → United States |
| AAFS | African American Family Services | In English | → Social aid → United States |
| AAFS | American Academy of Forensic Sciences (www.aafs.org) | In English | → Academies → Medicine → Criminology → United States |
| AAG | Akademie für Arbeitsmedizin und Gesundheitsschutz | In German | → Academies → Medicine → Labour, labour economics |
| AAH | Allocation aux Adultes Handicapés | In French | → Social welfare |
| AAH | Angka Harapan Hidup | In Indonesian | → Statistics → Public health and hygiene |
| AAHA | American Academy of Healthcare Attorneys | In English | → Academies → Law, jurisprudence → Medicine → United States |
| AAHA | American Association of Homes for the Aging | In English | → Associations → Accommodation → Gerontology → United States |
| AAHE | American Association for Health Education | In English | → Associations → Education → Medicine → United States |
| AAHSA | American Association of Homes and Services for the Aging | In English | → Associations → Accommodation → Gerontology → United States |
| AAI | Autorité Administrative Indépendante | In French | → Public administration, government |
| AAIB | Air Accidents Investigation Branch | In English | → Central administration → Aeronautics, aircraft → Transport by air → United Kingdom |
| AAIM | American Academy of Insurance Medicine | In English | → Academies → Insurance → Medicine → United States |
| AALCC | Asian-African Legal Consultative Committe | In English | → Organizations and associations → Law, jurisprudence |
| AALCO | Asian-African Legal Consultative Organization | In English | → Organizations and associations → Law, jurisprudence |
| AALL | American Association of Law Libraries (www.aallnet.org) | In English | → Associations → Libraries → Law, jurisprudence → United States |
| AAM | Federal Aviation Administration Office of Aviation Medicine | In English | → Central administration → Medicine → Astronautics |
| AAM | Akademie für Arbeitsmedizin (www.aam.at) | In German | → Academies → Labour, labour economics → Medicine → Austria |
| AAMC | Association of American Medical Colleges (www.aamc.org) | In English | → Associations → Higher education, universities → Medicine → United States |
| AAMSG | Asian American Medical Student Group | In English | → Organizations and associations → Higher education, universities → Medicine → United States |
| AAOHN | American Association of Occupational Health Nurses | In English | → Associations → Medicine → Labour, labour economics → United States |
| AAOM | Association of Assessing Officers of Manitoba (www.aaom.mb.ca) | In English | → Associations → 332 → Canada |
| AAOPAC | American Association of Orthodontists Political Action Committee | In English | → Associations → Politics → Surgery, orthopaedics, ophthalmology → United States |
| AAP | Affirmative Action Plan | In English | → Politics |
| AAP | Agent d'Administration Principal | In French | → Public administration, government |
| AAP | Affirmative Action Program | In English | → Politics |
| AAPHR | American Association of Physicians for Human Rights | In English | → Associations → Medicine → Human rights → United States |
| AAPL | American Academy of Psychiatry and the Law (www.aapl.org) | In English | → Academies → Psychiatry → Law, jurisprudence → United States |
| AAPOR | American Association for Public Opinion Research | In English | → Associations → Statistics → Sociology → United States |
| AAPTC | Australian Association of Paediatric Teaching Centres | In English | → Associations → Education → Pediatry → Australia |
| AARC | Alliance of Artists and Recording Companies (www.aarcroyalties.com) | In English | → Organizations and associations → Music → Artistic property |
| AARC | Assassination Archives and Research Center (www.aarclibrary.org) | In English | → Research institutes → Criminology |
| AARLIN | Australian Academic and Research Library Network | In English | → Organizations and associations → Libraries → Higher education, universities → Research policy → Australia |
| AARP | American Association of Retired Persons | In English | → Associations → Labour, labour economics → United States |
| AAS-CEE | Austrian Academy of Sciences - Central and Eastern European Scholarship | In English | → Education → Academies → Research policy → Austria |
| AASP | American Association for Social Psychiatry | In English | → Associations → Psychiatry → Sociology → United States |
| AASP | Associação dos Advogados de São Paulo | In Portuguese | → Associations → Law, jurisprudence → Brazil |
| AASU | Attaché d'Administration Scolaire et Universitaire | In French | → Public administration, government → Education |
| AASU | Attaché d'Aministration Scolaire et Universitaire | In French | → Central administration → Education |
| AASW | Australian Association of Social Workers (www.aasw.asn.au) | In English | → Associations → Social welfare → Australia |
| AATA | American Association of Teachers of Arabic (http://aataweb.org) | In English | → Associations → Education → Language, linguistics, literature → United States |
| AATBS | Association for Advanced Training in Behavioral Sciences | In English | → Associations → Education → Psychology → Medicine |
| AATF | American Association of Teachers of French (www.frenchteachers.org) | In English | → Associations → Education → Language, linguistics, literature → United States |
| AATG | American Association of Teachers of German (www.aatg.org) | In English | → Associations → Education → Language, linguistics, literature → United States |
| AATI | American Association of Teachers of Italian (www.aati-online.org) | In English | → Associations → Education → Language, linguistics, literature → United States |
| AATK | American Association of Teachers of Korean (www.aatk.org) | In English | → Associations → Education → Language, linguistics, literature → United States |
| AATSEEL | American Association of Teachers of Slavic and Eastern European Languages (www.aatseel.org) | In English | → Associations → Education → Language, linguistics, literature → United States |
| AATSP | American Association of Teachers of Spanish and Portuguese (www.aatsp.org) | In English | → Associations → Education → Language, linguistics, literature → United States |
| AATT | American Association of Teachers of Turkic Languages (http://https://aatturkic.org/) | In English | → Associations → Education → Language, linguistics, literature → United States |
| AAU | Association of American Universities (www.aau.edu) | In English | → Associations → Higher education, universities → United States |
| AAV | Accountholder Authentication Value | In English | → Networks, communication → Banks |
| AAVMC | Association of American Veterinary Medical Colleges (www.aavmc.org) | In English | → Associations → Education → Veterinary medicine → United States |
| AAWP | American Association of Working People (www.aawp.org) | In English | → Associations → Labour, labour economics → United States |
| ÁB | Állami Biztosító | In Hungarian | → Insurance → Hungary |
| AB | Akcinė bendrovė = AK | Akcia Kompanio | In Esperanto = AT | Акцыянэрнае таварыства | In Bulgarian = AS | Aktsiaselts | In Estonian = AG | Aktiengesellschaft | In German = DD | Dioničko Društvo | In Croatian = AS | Aksjeselskap | In Norwegian = SpA | Società per Azioni | In Italian = AS | Aktieselskab | In Danish = SA | Spółka Akcyjna | In Polish = SA | Societăţi pe Acţiuni | In Romanian = AB | Aktiebolag | In Swedish = AD | Akcionarsko Društvo | In Serbian = DD | Delniška Družba | In Slovenian = AS | Akciová Spoločnosť | In Slovak = AS | Akciová Společnost | In Czech = AT | Акціонерне товариство | In Ukrainian |
In Lithuanian | → Economics |
| AB | Aktiebolag = AK, AT, AS, AG, DD, SpA, SA, AD (look above) |
In Swedish | → Economics |
| ABA | Austrian Business Agency (www.aba.gv.at) | In English | → Central administration → 33972 → Austria |
| ABA | American Bar Association (www.abanet.org) | In English | → Associations → Law, jurisprudence → United States |
| ABA | Antiquarian Booksellers' Association (www.aba.org.uk) | In English | → Associations → Trade → Graphic industries, printing, publishing → United Kingdom |
| ABAA | Antiquarian Booksellers' Association of America (www.abaa.org) | In English | → Associations → Trade → Graphic industries, printing, publishing → United States |
| ABAC | Antiquarian Booksellers' Association of Canada (www.abac.org) = ALAC | Association de la Librairie Ancienne du Canada | In French |
In English | → Associations → Trade → Graphic industries, printing, publishing → Canada |
| ABAPI | Associação Brasileira dos Agentes de Propriedade Industrial | In Portuguese | → Associations → Industrial property → Brazil |
| ABAW | Asian Bar Association of Washington (www.abaw.org) | In English | → Associations → Law, jurisprudence → United States |
| ABC | Activity Based Costing | In English | → Accounting → Prices |
| ABCS | Associazione Bertoni per la Cooperazione e lo Sviluppo nel Terzo Mondo | In Italian | → Associations → Development |
| ABDI | Association Belge de Droit de l'Informatique | In French | → Associations → Law, jurisprudence → Computer science |
| ABE | Agence Bruxelloise pour l'Entreprise | In French | → Economics → Belgium |
| ABECAFE | Associação Brasileira dos Exportadores de Café (www.abecafe.com.br) | In Portuguese | → Associations → Trade → Food technology → Brazil |
| ABECITRUS | Associação Brasileira dos Exportadores de Cítricos | In Portuguese | → Associations → Trade → Agricultural sciences → Brazil |
| ABEF | Associação Brasileira dos Produtores e Exportadores de Frangos | In Portuguese | → Associations → Trade → Brazil |
| ABF | Associação Brasileira de Franchising | In Portuguese | → Associations → Trade → Brazil |
| ABF | Den Danske Antikvarboghandlerforening (www.antikvar.dk) | In Danish | → Organizations and associations → Trade → Graphic industries, printing, publishing → Denmark |
| ABFO | American Board of Forensic Odontology (www.abfo.org) | In English | → Organizations and associations → Dentistry → Criminology → United States |
| ABFP | American Board of Forensic Psychiatry | In English | → Organizations and associations → Psychiatry → Criminology → United States |
| ABFT | American Board of Forensic Toxicology (www.abft.org) | In English | → Organizations and associations → Pharmacology, toxicology → Criminology → United States |
| ABHES | Accrediting Bureau of Health Education Schools | In English | → Education → Medicine |
| ABI | Associatie van Binnenlandse Industriëlen | In Dutch | → Associations → Industry, industrial policy |
| ABI | Associazione Bancaria Italiana (www.abi.it) | In Italian | → Associations → Financial markets → Italia |
| ABISS | Atelier de Biologie, Informatique, Statistique et Sociolinguistique | In French | → Biological sciences → Computer science → Statistics → Sociology → Linguistics |
| ABK | Aozadur-Bed ar C'henwerzh | In Breton | → International relations |
| ABLE | Association for Biology Laboratory Education (www.ableweb.org) | In English | → Associations → Research institutes → Education → Biological sciences |
| ABM | Arbeitsbeschaffungsmaßnahmen | In German | → Labour, labour economics |
| ABM | Associação Brasileira de Municípios (www.abm.org.br) | In Portuguese | → Associations → Municipal administration → Brazil |
| ABMCP | Airborne Military Command Post | In English | → Military affairs → Aeronautics, aircraft |
| ABN | Algemene Bank Nederland | In Dutch | → Banks → Netherlands |
| ABNF | Association of Black Nursing Faculty in Higher Education | In English | → Associations → Education → Medicine |
| ABNJ | Antiquarian Booksellers of New Jersey | In English | → Associations → Trade → Graphic industries, printing, publishing |
| ABOHN | American Board for Occupational Health Nurses (www.abohn.org) | In English | → Organizations and associations → Medicine → Labour, labour economics → United States |
| ABPS | Association des Banquiers Privés Suisses (www.swissprivatebankers.com) = VSPB | Vereinigung Schweizerischer Privatbankiers | In German |
In French | → Associations → Banks → Switzerland |
| ABRASCE | Associação Brasileira de Shopping Centers | In Portuguese | → Associations → Trade → Brazil |
| ABS | Australian Bureau of Statistics (www.abs.gov.au) | In English | → Central administration → Medicine → Australia |
| ABSA | Action à Bon de Souscription d'Action | In French | → 33676 |
| ABSN | Accelerated Bachelor of Science in Nursing | In English | → Higher education, universities → Medicine |
| ABU | Aozadur ar Broioù Unanet | In Breton | → International relations |
| ABU | Aozadur ar Broadoù Unanet (www.un.org) = UN | Unuigintaj Nacioj | In Esperanto = ONU | Organisation des Nations Unies | In French = ONU | Organizazión d'as Nazions Unitas | In Aragonese = ААН | Арганіза́цыя Аб'ядна́ных На́цый | In Belarusian = VN | Verenigde Nasies | In Afrikaans = ONU | Organización de les Naciones Uníes | In Asturian = OOH | Организацията на обединените нации | In Bulgarian = ПНО | Пĕрлешнĕ Нацисен Организацийĕ | In Chuvash = FN | Feriene Naasjes | In Frisian = UN | United Nations | In English = NBE | Nazio Batuen Erakundea | In Basque = ONU | Organización das Nacións Unidas | In Occitan = UN | Unuiĝinta Naciaro | In Esperanto = UN | Ujedinjeni Narodi | In Bosnian = CN | Consociatio Nationum | In Latin = FN | Forenede Nationer | In Danish = UN | Unionita Nacioni | In Ido = ONU | Organizzazione delle Nazioni Unite | In Italian = KU | Kenedhlow Unys | In Cornish = ONU | Organització de les Nacions Unides | In Catalan = ΟΗΕ | Οργανισμός Ηνωμένων Εθνών | In Greek = ΗΕ | Ηνωμένα Έθνη | In Greek = ONU | Organización de las Naciones Unidas | In Spanish = VN | Vereinte Nationen | In German = VN | Verenigde Naties | In Dutch = VN | Vereent Natiounen | In Letzeburgesh = ООН | Организация Oбъединённых Hаций | In Russian = ONU | Organisacion des Nacions unies | In Franco-Provençal = ONZ | Organizacja Narodów Zjednoczonych | In Polish = BMT | Birlashgan Millatlar Tashkiloti | In Uzbek = ООН | Організація Об'єднаних Націй | In Ukrainian = BM | Birleşmiş Milletler | In Turkish = LHiQ | Liên Hiệp Quốc | In Vietnamese = OKB | Organizata e Kombeve të Bashkuara | In Albanian = OSN | Organizácia Spojených národov | In Slovak = OZN | Organizacija Združenih Narodov | In Slovenian = УН | Уједињене нације | In Serbian = FN | Förenta nationerna | In Swedish = UM | Umoja wa Mataifa | In Swahili = NU | Nazzioni Uniti | In Sicilian = ONU | Organizaţia Naţiunilor Unite | In Romanian = ONU | Organização das Nações Unidas | In Portuguese = VN | Vereenten Natschonen | In Low German = ST | Sameindu Tjóðir | In Faroese = HN | Huñusqa Nasyunkuna | In Quechua = PBB | Pertubuhan Bangsa-bangsa Bersatu | In Malay = NA | Náisiúin Aontaithe | In Irish = ÜRO | Ühinenud Rahvaste Organisatsioon | In Estonian = SÞ | Sameinuðu þjóðanna | In Icelandic |
In Breton | → International relations → United Nations |
| ABVV | Algemeen Belgisch Vakverbond | In Dutch | → Organizations and associations → Labour, labour economics → Belgium |
| ABW | Agencja Bezpieczeństwa Wewnętrznego (www.abw.gov.pl) | In Polish | → Central administration → Police → Poland |
| AC | Administration Centrale | In French | → Central administration |
| AC | Akademikernes Centralorganisation (www.ac.dk) | In Danish | → Organizations and associations → Labour, labour economics → Denmark |
| AC | Algemene Centrale | In Dutch | → Organizations and associations → Labour, labour economics |
| AC | Autorité de Contrôle | In French | → Public administration, government |
| ACA | Action et Communication Administratives | In French | → Public administration, government → Specialized or polytechnical colleges |
| ACAP | Association Canadienne d'Accès à l’information et de la Protection des renseignements personnels (www.capa.ca) = CAPA | Canadian Access and Privacy Association | In English |
In French | → Associations → Law, jurisprudence → Canada |
| ACARE | Advisory Council for Aeronautics Research in Europe (www.acare4europe.com) | In English | → European Union → Aeronautics, aircraft → Transport and postal services |
| ACAV | Associazione Centro Aiuti Volontari Cooperazione Sviluppo Terzo Mondo | In Italian | → Associations → Development |
| ACB | Austrian Convention Bureaus (www.acb.at) | In English | → Congresses → Economics → Austria |
| ACBD | Association Canadienne des Bibliothèques de Droit (www.callacbd.ca) = CALL | Canadian Association of Law Libraries | In English |
In French | → Associations → Libraries → Law, jurisprudence → Canada |
| ACC | Acceding and Candidate Countries | In English | → International relations |
| ACC | Action et Communication Commerciales | In French | → Economics → Specialized or polytechnical colleges |
| ACC | Administrative Committee on Coordination = CAC | Comité Administrativo de Coordinación | In Spanish = CAC | Comité Administratif de Coordination | In French = CAC | Comitê Administrativo de Coordenação | In Portuguese |
In English | → United Nations |
| ACCCT | Agence Comptable des Créances Contentieuses du Trésor | In French | → Public administration, government → Accounting |
| ACCE | Association des Conseils en Commerce Électronique | In French | → Associations → Consulting → Trade → Fundamentals of knowledge and culture |
| ACCES | ACCession à l'Énergie et aux Services | In French | → Development → Energy economics |
| ACCI | Athens Chamber of Commerce and Industry = ΕΒΕΑ | Εμπορικό και Βιομηχανικό Επιμελητήριο Αθηνών | In Greek |
In English | → Organizations and associations → Trade → Industry, industrial policy → Greece |
| ACCI | Afghanistan Chamber of Commerce and Industries (http://www.acci.org.af/) | In English | → Organizations and associations → Trade → Industry, industrial policy |
| ACCP | (The) Army Correspondence Course Program (www.atsc.army.mil/accp/) | In English | → Education → Military affairs |
| ACCRI | Associazione di Cooperazione Cristiana Internazionale | In Italian | → Associations → Christianity → Development |
| ACCT | Agence Comptable Centrale du Trésor | In French | → Public administration, government → Accounting |
| ACDI | Agence Canadienne de Développement International = CIDA | Canadian International Development Agency | In English |
In French | → Central administration → Development → Canada |
| ACE | Academic Challenge and Enrichment Program | In English | → Education |
| ACEDLE | Association des Chercheurs Et Didacticiens des Langues Étrangères (http://acedle.u-strasbg.fr) | In French | → Associations → Education → Language, linguistics, literature → France |
| ACEU | Asociación Colombiana de Estudiantes Universitarios (www.aceucolombia.org) | In Spanish | → Associations → Higher education, universities |
| ACF | Administration for Children and Families | In English | → Public administration, government → Social welfare |
| AcF | Akademie für christliche Führungskräfte (www.acf.de) | In German | → Academies → Christianity → Economics → Germany |
| ACF | Action contre la Faim (www.actioncontrelafaim.org) | In French | → Organizations and associations → Development → Nutrition |
| ACF | Army Cadet Force (www.armycadets.com) | In English | → Organizations and associations → Military affairs |
| ACFÉO | Association Canadienne-Française d'Éducation d'Ontario | In French | → Associations → Education → Canada |
| ACHPR | African Commission on Human and Peoples' Rights | In English | → Organizations and associations → Fundamental rights → Human rights → Africa |
| ACHPR | African Charter on Human and Peoples' Rights | In English | → Fundamental rights → Human rights → Africa |
| ACHR | American Convention on Human Rights | In English | → Human rights → Fundamental rights → United States |
| ACI | American Competitiveness Initiative | In English | → Industry, industrial policy → United States |
| ACICLA | Associação Comercial, Industrial e Agropecuária de Campo Largo | In Spanish | → Associations → Trade → Agricultural sciences |
| ACIF | Associação Comercial e Industrial de Florianópolis | In Portuguese | → Associations → Industry, industrial policy → Trade |
| ACIF | Associação Comercial e Industrial do Funchal | In Portuguese | → Associations → Industry, industrial policy → Trade |
| ACIF | Associazione Consumatori Istruzione e Formazione | In Italian | → Associations → Education |
| ACIOC | Army Customer Order Control | In English | → Military affairs |
| ACL | American Classical League (www.aclclassics.org) | In English | → Organizations and associations → United States |
| ACLVB | Algemene Centrale der Liberale Vakbonden = CGSLB | Centrale Générale des Syndicats Libéraux de Belgique | In French |
In Dutch | → Organizations and associations → Labour, labour economics → Belgium |
| ACM | Affaires Civilo-Militaires | In French | → Military affairs |
| ACNU | Association Canadienne pour les Nations Unies | In French | → Associations → United Nations → Canada |
| ACNUDH | Oficina del Alto Comisionado de las Naciones Unidas para los Derechos Humanos | In Spanish | → United Nations → Human rights |
| ACNUR | Alto Comisionado de las Naciones Unidas para los Refugiados | In Spanish | → United Nations → Migrations |
| ACNUSA | Autorité de Contrôle des Nuisances Aériennes | In French | → Public administration, government → Transport and postal services |
| ACO | Administrative Contracting Officer | In English | → Contract law |
| ACOD | Algemene Centrale der Openbare Diensten | In Dutch | → Organizations and associations → Labour, labour economics |
| ACOSS | Agence Centrale des Organismes de Sécurité Sociale | In French | → Insurance |
| ACP | Associação Comercial do Paraná | In Portuguese | → Associations → Trade |
| ACPAAP | Association Canadienne des Professionnels et Administrateurs de l'Accès à l'information et de la Protection des renseignements personnels | In French | → Associations → Law, jurisprudence → Canada |
| ACPC | Austrian Centre of Philosophy with Children | In English | → Philosophy, psychology → Education → Austria |
| ACPI | Association des Conseils en Propriété Industrielle | In French | → Associations → Industrial property |
| ACPM | Associate Contractor Program Manager | In English | → Contract law |
| ACPO | Association of Chief Police Officers | In English | → Associations → Police |
| ACPO | Associate Contractor Project Office | In English | → Contract law |
| ACPR | Alianţei Confederaţiilor Patronale din România | In Romanian | → Organizations and associations → Labour, labour economics → Romania |
| ACPR | Ariel Center for Policy Research | In English | → Politics |
| ACR | Actual Cost Report | In English | → Prices |
| ACRA | Associazione di Cooperazione Rurale in Africa e America Latina | In Italian | → Associations → Development → Agricultural sciences |
| ACRN | America's Career Resource Network (www.acrnetwork.org) | In English | → Labour, labour economics → United States |
| ACRS | Accelerated Cost Recovery System | In English | → Prices |
| ACS | Andragoški Center Slovenije | In Slovenian | → Education |
| ACS | Army Communication System | In English | → Telecommunications → Military affairs |
| ACSA | Association of Collegiate Schools of Architecture (www.acsa-arch.org) | In English | → Associations → Education → Architecture |
| ACSEL | Association pour le Commerce et les Services en Ligne | In French | → Associations → Trade → Networks, communication → 65 |
| ACSIA | Agence Comptable des Services industriels de l'Armement | In French | → Public administration, government → Accounting |
| ACSPE | Atlantic County School of Professional Education (http://acspe.net) | In English | → Specialized or polytechnical colleges → Insurance |
| ACTEDS | Army Civilian Training, Education And Development System | In English | → Education → Military affairs |
| ACTEP | Association des Collectivités Territoriales de l'Est Parisien (www.actep.fr) | In French | → Associations → Municipal administration → Regional administration |
| ACTFL | American Council on the Teaching of Foreign Languages (https://www.actfl.org/) | In English | → Organizations and associations → Education → Language, linguistics, literature → United States |
| ACTIM | Agence pour la Coopération Technique, Industrielle et Économique | In French | → Organizations and associations → Economics |
| ACTR | American Council of Teachers of Russian | In English | → Organizations and associations → Education → Language, linguistics, literature → United States |
| ACU | Australian Catholic University (www.acu.edu.au) | In English | → Higher education, universities → 271 → Australia |
| ACUI | Association of College Unions International (www.acui.org) | In English | → Associations → Education |
| ACURIL | Association of Caribbean University, Research & Institutional Libraries (http://acuril.uprrp.edu) | In English | → Associations → Libraries → Higher education, universities |
| ACUS | Attaché de Coopération Universitaire et Scientifique | In French | → Higher education, universities → Mathematics and natural sciences → International relations |
| ACV | Algemeen Christelijk Vakverbond = CSC | Confédération des Syndicats Chrétiens | In French |
In Dutch | → Organizations and associations → Labour, labour economics → Christianity |