| CUP | Cambridge University Press | In English | → Higher education, universities → Graphic industries, printing, publishing |
| CUP | California University of Pennsylvania | In English | → Higher education, universities |
| CUP | Canadian University Press | In English | → Higher education, universities → Graphic industries, printing, publishing |
| CUQ | Confederazione Unitaria dei Quadri | In Italian | → Organizations and associations → Labour, labour economics |
| CUS | Communauté Urbaine de Strasbourg | In French | → Municipal administration |
| CUWAS | Customs Union of West African States | In English | → International economic cooperation |
| CV | Curriculum Vitae | In Latin | → Labour, labour economics |
| CVAH | Centrale Vereniging voor Ambulante Handel | In Dutch | → Organizations and associations → Trade |
| CVCS | Centro Volontari Cooperazione allo Sviluppo | In Italian | → Organizations and associations → Development |
| CVG | Certificat de Valeur Garantie | In French | → Finance |
| CvO | Commissie voor Onderzoek | In Dutch | → Education |
| CWBS | Contract Work Breakdown Structure | In English | → 3474 |
| CWC | Concerned for Working Children | In English | → Organizations and associations → Labour, labour economics → Fundamental rights |
| CWC | Chemical Weapons Convention = CAQ | Convención sobre las Armas Químicas | In Spanish = CAC | Convention sur les Armes Chimiques | In French = CAQ | Convenção sobre Armas Químicas | In Portuguese |
In English | → International relations → Military engineering |
| CWE | Consortium for Worker Education | In English | → Labour, labour economics → Education |
| CWE | Center for Women and Enterprise | In English | → Labour, labour economics → Feminism |
| CWIN | Child Workers in Nepal | In English | → Organizations and associations → Labour, labour economics → Fundamental rights |
| CWL | California Women Lawyers (www.cwl.org) | In English | → Organizations and associations → Law, jurisprudence |
| CWL | Center for Women's Leadership (www3.babson.edu/cwl/) | In English | → Organizations and associations → Feminism |
| CWL | Campus-Wide Login (www.cwl.ubc.ca) | In English | → Networks, communication → Higher education, universities |
| CYEL | Creative Young Entrepreneur Luxembourg | In English | → Economics |
| D2C | Défense Deuxième Chance | In French | → Education |
| DA | Dansk Arbejdsgiverforening | In Danish | → Organizations and associations → Labour, labour economics |
| DAA | Diplôme d'Agronomie Approfondie | In French | → Specialized or (poly)technical colleges → Agricultural sciences |
| DAB | Defense Acquisition Board | In English | → 355 |
| DABM | Defense Against Ballistic Missiles | In English | → 355 → Military engineering |
| DAC | Days After Contract | In English | → 3474 |
| DADS-U | Déclaration Automatisée des Données Sociales Unifiée | In French | → Labour, labour economics |
| DADVSI | Droit d'Auteur et Droits Voisins dans la Société de l'Information | In French | → Artistic property |
| DAECL | Délégation pour l’Action Extérieure des Collectivités Locales | In French | → Municipal administration |
| DAEI | Direction des Affaires Économiques Internationales | In French | → International relations → Economics |
| DAEI | Direction des Affaires Économiques et Internationales | In French | → Central administration → International relations |
| DAEU | Diplôme d'Accès aux Études Universitaires | In French | → Higher education, universities |
| DAEU | Diplôme d’Accès aux Études Universitaires | In French | → Higher education, universities |
| DAFCO | Délégation Académique à la Formation COntinue | In French | → Labour, labour economics → Education |
| DAFR | Direction de l'Administration et du Financement de la Recherche | In French | → Research policy → Central administration |
| DAFZA | Dubai Airport Free Zone Authority | In English | → 33972 |
| DAG | Deutsche Angestellten Gewerkschaft | In German | → Organizations and associations → Labour, labour economics |
| DAG | Diplôme d'Agronomie Générale | In French | → Specialized or (poly)technical colleges → Agricultural sciences |
| DAG | Direction de l'Administration Générale | In French | → Central administration |
| DAGE | Direction de l'Administration Générale et de l'Équipement | In French | → Central administration |
| DAGIC | Direction des Affaires Générales, Internationales et de Coopération | In French | → International relations → Public administration, government |
| DAGPB | Direction de l'Administration Générale, du Personnel et du Budget | In French | → Labour, labour economics → Central administration |
| DAII | Direction des Affaires Industrielles et Internationales | In French | → Economics |
| DAJ | Département des Affaires juridiques | In French | → Law, jurisprudence |
| DAL | Droit au Logement | In French | → Organizations and associations → Accommodation |
| DAPA | Direction de l'Architecture et du Patrimoine | In French | → Central administration → Architecture → Civilization, culture, progress |
| DAPN | Direction de l'Administration de la Police Nationale | In French | → Police → Central administration |
| DAR | Defense Acquisition Regulation | In English | → 355 |
| DAR | Délégation à l’Action Régionale | In French | → Central administration |
| DARE | Democracy and Human Rights Education in Europe | In English | → Democracy → Fundamental rights → Education |
| DARES | Direction de l'Animation, de la Recherche, des Études et des Statistiques | In French | → Public administration, government |
| DARPA | Defense Advanced Research Projects Agency | In English | → 355 |
| DAS | Déclaration Annuelle des Salaires | In French | → Labour, labour economics |
| DASES | Direction de l'Action sociale, de l'Enfance et de la Santé | In French | → Public administration, government → Social welfare → Education → Medicine |
| DASS | Direction de l'Action Sanitaire et Sociale | In French | → Public administration, government → Social welfare → Medicine |
| DAT | Direction des Armements Terrestres | In French | → Public administration, government → Military engineering |
| DATAR | Délégation à l'Aménagement du Territoire et à l'Action Régionale | In French | → Public administration, government → Regional planning |
| DATAR | Délégation à l’Aménagement du Territoire et à l’Action Régionale | In French | → Central administration |
| DAV | Deutsche Aktuarvereinigung (www.aktuar.de) | In German | → Organizations and associations → Law, jurisprudence |
| DAV | Deutscher Anwaltverein (www.anwaltverein.de) | In German | → Organizations and associations → Law, jurisprudence |
| DAX | Deutscher Aktienindex | In German | → Financial markets |
| DBB | Deutscher Beamtenbund | In German | → Organizations and associations → Labour, labour economics → Public administration, government |
| DBLP | Direction des Bibliothèques et de la Lecture Publique | In French | → Public administration, government → Libraries |
| DCA | Defense Communications Agency | In English | → 355 → Telecommunications |
| DCA | Defense Communication Agency | In English | → 355 → Telecommunications |
| DCAA | Defense Contract Audit Agency | In English | → 355 → Military engineering |
| DCAN | Direction des Constructions et Armes navales | In French | → Public administration, government → Military engineering |
| DCAS | Defense Contract Administration Services | In English | → 3474 → 355 |
| DCASMA | Defense Contract Administration Services Management Area | In English | → 3474 → 355 |
| DCASR | Defense Contract Administration Services Region | In English | → 3474 → 355 |
| DCCAT | Direction Centrale du Commissariat de l'Armée de Terre | In French | → Public administration, government |
| DCCRS | Direction Centrale des Compagnies Républicaines de Sécurité | In French | → Police → Central administration |
| DCE | Departamentul pentru Comert Exterior | In German | → Central administration → Trade |
| DCE | Dossier de Consultation des Entreprises | In French | → Economics |
| DCEM | Deuxième Cycle des Études Médicales | In French | → Education → Medicine |
| DCEP | Deuxième Cycle des Études Pharmaceutiques | In French | → Education → Pharmacology, toxicology |
| DCM | Debt Capital Market | In English | → Financial markets |
| DCM | Département de Chimie Moléculaire | In French | → Higher education, universities → Biochemistry, biophysics |
| DCM | Distinguished Conduct Medal | In English | → 355 |
| DCMAA | Direction Centrale du Matériel de l'Armée de l'Air | In French | → Public administration, government → Military engineering |
| DCP | Document-Cadre de Partenariat | In French | → Law, jurisprudence |
| DCP | Development Cost Plan | In English | → Prices |
| DCPAF | Direction Centrale de la Police aux Frontières | In French | → Police → Central administration |
| DCPJ | Direction Centrale de la Police Judiciaire | In French | → Police → Central administration |
| DCR | Disposition of Contract Request | In English | → 3474 |
| DCRG | Direction Centrale des Renseignements Généraux | In French | → Central administration |
| DCS | Diplôme Comptable Supérieur | In French | → Specialized or (poly)technical colleges → Accounting |
| DCSP | Direction Centrale de la Sécurité Publique | In French | → Police → Central administration |
| DCSSA | Direction Centrale du Service de Santé des Armées | In French | → Public administration, government → Medicine |
| DCTB | Deutscher Christlicher Techniker-Bund | In German | → Organizations and associations → Christianity → Labour, labour economics |
| DCU | Diplôme Comptable d'Université | In French | → Higher education, universities → Accounting |
| DD | Delniška Družba = AB | Akcinė bendrovė | In Lithuanian = 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 = AS | Akciová Spoločnosť | In Slovak = AS | Akciová Společnost | In Czech = AT | Акціонерне товариство | In Ukrainian |
In Slovenian | → Economics |
| DD | Dioničko Društvo = AB, AK, AT, AS, AG, SpA, SA, AD (look above) |
In Croatian | → Economics |
| DDA | Direction Départementale de l'Agriculture | In French | → Public administration, government → Agricultural sciences |
| DDAF | Direction Départementale de l'Agriculture et de la Forêt | In French | → Regional administration → Agricultural sciences → Forestry |
| DDASS | Direction Départementale des Affaires Sanitaires et Sociales | In French | → Regional administration → Social welfare → Medicine |
| DDC | Defense Documentation Center | In English | → Libraries → 355 → Military engineering |
| DDCCRF | Direction Départementale de la Concurrence, de la Consommation et de la Répression des Fraudes | In French | → Economics → Public administration, government → Consumerism |
| DDE | Direction Départementale de l'Équipement | In French | → Regional administration → Civil engineering → Civil engineering and land transport |
| DDEC | Dotation Départementale d'Équipement des Collèges | In French | → Public administration, government → Education |
| DDEN | Direction Départementale de l'Environnement et de la Nature | In French | → Regional administration → Nature → Environment, environmental sciences |
| DDIA | Dubai Development and Investment Authority | In English | → 33972 → Development |
| DDJS | Direction Départementale de la Jeunesse et des Sports | In French | → Public administration, government → Education → Sport, physical exercises |
| DDN | Defense Data Network | In English | → Networks, communication → 355 |
| DDPJ | Direction Départementale de la Protection de la Jeunesse | In French | → Public administration, government |
| DDTE | Direction Départementale du Travail et de l'Emploi | In French | → Labour, labour economics → Public administration, government |
| DDTEFP | Direction Départementale du Travail, de l'Emploi et de la Formation Professionnelle | In French | → Labour, labour economics → Public administration, government → Education |
| DE | Diplôme d'État | In French | → Education |
| DEA | Diplôme d'Études Approfondies | In French | → Higher education, universities |
| DEA | Development Education Association | In English | → Associations → Education |
| DEC | Diplôme d'Expertise Comptable | In French | → Specialized or (poly)technical colleges → Accounting |
| DEC | Diplôme d'Expert-Comptable | In French | → Specialized or (poly)technical colleges → Accounting |
| DECF | Diplôme d'Études Comptables et Financières | In French | → Finance → Specialized or (poly)technical colleges → Accounting |
| DEESGE | Diplôme Européen d'Études Supérieures de Gestion | In French | → Economics → Specialized or (poly)technical colleges |
| DEESMA | Diplôme Européen d'Études Supérieures en Marketing | In French | → Economics → Specialized or (poly)technical colleges |
| DEESMI | Diplôme Européen d'Études Supérieures en Marketing International | In French | → Economics → Specialized or (poly)technical colleges |
| DefEl | Defense Electronics | In English | → Serial publications, periodicals → 355 → Electronics → Military engineering |
| DEFRA | Department of Environment, Food and Rural Affairs | In English | → Central administration → Agricultural sciences → Food technology |
| DEPP | Direction de l'Évaluation, de la Prospective et de la Performance | In French | → Central administration → Education |
| DES | Diplôme d'Études Spécialisées | In French | → Specialized or (poly)technical colleges |
| DES | Diplôme d'Études Supérieures | In French | → Education |
| DES | Département d’Évaluation de la Sûreté | In French | → Central administration → Nuclear technology |
| DeScE | Defense Science Electronics | In English | → Serial publications, periodicals → 355 → Electronics → Military engineering |
| DESCF | Diplôme d'Études Supérieures Comptables et Financières | In French | → Finance → Specialized or (poly)technical colleges → Accounting |
| DESI | Direction de l’Enseignement de Service en Informatique | In French | → Education → Computer science |
| DESIRE | Development of a European Service for Information on Research and Education | In English | → Research policy → Libraries → Knowledge management → Education |
| DESS | Diplôme d'Études Supérieures Spécialisées | In French | → Specialized or (poly)technical colleges |
| DEST | Diplôme d'Études Supérieures Technologiques | In French | → Specialized or (poly)technical colleges → Engineering, technology |
| DESTA | Diplôme d'Études Supérieures Technologiques Approfondies | In French | → Specialized or (poly)technical colleges → Engineering, technology |
| DESTU | Diplôme d'Études Supérieures Technologiques Universitaires | In French | → Higher education, universities → Engineering, technology |
| DESU | Diplôme d'Études Supérieures Universitaires | In French | → Higher education, universities |
| DESUP | Direction des Enseignements Supérieurs | In French | → Specialized or (poly)technical colleges → Higher education, universities |
| DETAB | Diplôme d'État de Technicien en Analyses biomédicales | In French | → Education → Biological sciences → Medicine |
| DEUA | Disabled Ebay Users Association | In English | → Associations → Internet → Trade |
| DEUA | Diplôme des Études Universitaires Appliquées | In French | → Higher education, universities |
| DEUG | Diplôme d'Études Universitaires Générales | In French | → Higher education, universities |
| DEUP | Diplôme d'Études Universitaires Professionnalisées | In French | → Specialized or (poly)technical colleges → Higher education, universities |
| DEUST | Diplôme d'Études Universitaires Scientifiques et Techniques | In French | → Higher education, universities → Mathematics and natural sciences → Applied sciences, technology |
| DF | Direction Financière | In French | → Finance |
| DFA | Department of Finance and Administration | In English | → Management → Finance |
| DFA | Defence Families of Australia (www.dfa.org.au) | In English | → Organizations and associations → 355 |
| DFA | Democracy for America (www.democracyforamerica.com) | In English | → Political parties and movements |
| DFA | Département Français d'Amérique | In French | → Regional administration |
| DFA | Dutch Flight Academy (www.dfa-fto.nl) | In English | → Specialized or (poly)technical colleges → Aeronautics, aircraft → Transport and postal services |
| DFA | Dimensional Fund Advisors (www.dfaus.com) | In English | → Financial markets |
| DFA | Department of Foreign Affairs | In English | → International relations |
| DfEE | Department for Education and Employment | In English | → Central administration → Labour, labour economics → Education |
| DfES | Department for Education and Skills | In English | → Central administration → Education |
| DFFF | Davis Feminist Film Festival | In English | → Feminism → Cinema, movies |
| DFP | Délégation à la Formation Professionnelle | In French | → Education → Labour, labour economics |
| DFPN | Direction de la Formation de Police Nationale | In French | → Police → Central administration |
| DFR | Délégué Financier Régional | In French | → Finance |
| DFU | Deutschsprachiger Fachunterricht | In German | → Education |
| DGA | Délégation Générale à l'Armement | In French | → 355 → Military engineering |
| DGAC | Direction Générale de l'Aviation Civile | In French | → Public administration, government → Aeronautics, aircraft |
| DGAFP | Direction Générale de la Fonction Publique | In French | → Central administration |
| DGB | Deutscher Gewerkschaftsbund | In German | → Organizations and associations → Labour, labour economics |
| DGCC | Direction Générale de la Concurrence et de la Consommation | In French | → Central administration → Economics |
| DGCCRF | Direction Générale de la Consommation, de la Concurrence et de la Répression des Fraudes | In French | → Public administration, government → Consumerism |
| DGCID | Direction Générale de la Coopération Internationale et du Développement | In French | → Central administration → International relations → Development |
| DGCL | Direction Générale des Collectivités Locales | In French | → Municipal administration → Central administration |
| DGD | Dotation Générale de Décentralisation | In French | → Public finance → Public administration, government |
| DGDDI | Direction Générale des Douanes et Droits Indirects (www.douane.gouv.fr) | In French | → Central administration → Taxes, duties |
| DGDE | Dotation Globale Départementale d'Équipement | In French | → Public finance → Regional administration |
| DGE | Dotation Globale d'Équipement | In French | → Public finance → Public administration, government |
| DGE | Direction Générale des Entreprises | In French | → Public administration, government → 3384 |
| DGEMP | Direction Générale de l'Énergie et des Matières Premières | In French | → Central administration → Energy economics |
| DGEQ | Directeur Général des Élections du Québec | In French | → Elections |
| DGER | Direction Générale de l'Enseignement et de la Recherche | In French | → Central administration → Research policy → Education |
| DGES | Direction Générale de l'Enseignement Supérieur | In French | → Public administration, government → Education |
| DGF | Dotation Globale de Fonctionnement | In French | → Public finance → Public administration, government |
| DGI | Direction Générale des Impôts | In French | → Central administration → Taxes, duties |
| DGLDT | Délégation Générale à la Lutte contre la Drogue et la Toxicomanie | In French | → Central administration |
| DGME | Direction Générale de la Modernisation de l'État | In French | → Public administration, government |
| DGP | Direction Générale de la Poste | In French | → Central administration → Transport and postal services |
| DGPN | Direction Générale de la Police Nationale | In French | → Police |
| DGPSA | Direction Générale des Produits de Santé et des Aliments | In French | → Central administration → Pharmacology, toxicology → Food technology |
| DGRCST | Direction Générale des Relations Culturelles, Scientifiques et Techniques | In French | → Central administration → Civilization, culture, progress → Mathematics and natural sciences → Applied sciences, technology |
| DGRT | Direction Générale de la Recherche et de la Technologie | In French | → Central administration → Research policy → Engineering, technology |
| DGS | Direction Générale de la Santé | In French | → Central administration → Medicine |
| DGS | Deutsche Gesellschaft für Soziologie | In German | → Organizations and associations → Sociology |
| DGSE | Direction Générale de la Sécurité Extérieure | In French | → Central administration → Polemology |
| DGSI | Direction Générale des Stratégies Industrielles | In French | → Central administration |
| DGSRN | Direction Générale de la Sûreté et de la Radioprotection Nucléaire | In French | → Central administration → Nuclear technology |
| DGSS | Direction Générale de la Solidarité et de la Santé | In French | → Central administration → Social welfare → Medicine |
| DGT | Direction Générale des Télécommunications | In French | → Central administration → Telecommunications |
| DGTPE | Direction Générale du Trésor et de la Politique Économique | In French | → 3383 → Public administration, government |
| DGUHC | Direction Générale de l'Urbanisme, de l'Habitat et de la Construction | In French | → Central administration → Accommodation → Architecture → Building |
| DGVN | Deutsche Gesellschaft für die Vereinten Nationen | In German | → Organizations and associations → United Nations |
| DHET | Diplôme des Hautes Études Technologiques | In French | → Specialized or (poly)technical colleges → Engineering, technology |
| DHR | Directory of Human Rights Resources | In English | → Libraries → Fundamental rights |
| DHS | Departement of Homeland Security | In English | → Central administration |
| DHS | Dansk Handel og Service | In Danish | → Organizations and associations → Transport and postal services → 33846 |
| DHS | Department of Homeland Security | In English | → Public administration, government |
| DHS | Department of Health Services | In English | → Public administration, government → Public health and hygiene |
| DHS | Department of Human Services | In English | → Public administration, government |
| DHW | Deutsch-Hellenische Wirtschaftsvereinigung | In German | → Organizations and associations → Economics |
| DI | Dansk Industri | In Danish | → Organizations and associations → Industry, industrial policy |
| DIA | Defense Intelligence Agency | In English | → 355 |