| CRAC | Comité radicalement anti-corrida | In French | → Organizations and associations → Nature and society |
| CRAF | Centre Royaliste d'Action Française | In French | → Political parties and movements |
| CRAHM | Centre de Recherches Archéologiques et Historiques Médiévales (www.unicaen.fr/crahm/) | In French | → Research institutes → Archeology → History |
| CRAI | Comptes-rendus de l'Académie des Inscriptions et Belles-Lettres | In French | → Serial publications, periodicals |
| CRAL | Coordination des Radios locales Associatives de Lorraine | In French | → Organizations and associations → Telecommunications |
| CRAM | Centre Régional d'Analyse des Matériaux | In French | → Energy economics |
| CRAM | Caisse Régionale d’Assurance Maladie | In French | → Social welfare → Medicine |
| CRAMCO | Caisse Régionale d'Assurance-Maladie du Centre Ouest | In French | → Insurance → Medicine |
| CRAMIF | Caisse Régionale d'Assurance-Maladie de l'Île-de-France | In French | → Insurance → Medicine |
| CRAN | Conseil Représentatif des Associations Noires | In French | → Organizations and associations → Social sciences |
| CRAPE | Centre de Recherche sur l'Action Politique en Europe | In French | → Research institutes → Sociology → Politics |
| CRAT | Centre de Référence sur les Agents Tératogènes | In French | → Pharmacology, toxicology → Oncology |
| CRC | Chambre Régionale des Comptes | In French | → Accounting |
| CRC | Centre de Relation Client | In French | |
| CRC | Centre de Régulation de la Circulation | In French | → Transport and postal services |
| CRCA | Caisse Régionale de Crédit Agricole | In French | → Finance |
| CRCC | Compagnie Régionale des Commissaires aux Comptes | In French | → Accounting |
| CRCCH | Conseil Régional Consultatif des Citoyen(ne)s Handicapé(e)s | In French | → Social welfare |
| CRCHM | Centre de Recherches Chirurgicales Henri Mondor | In French | → Surgery, orthopaedics, ophthalmology |
| CRCI | Chambre Régionale de Commerce et d'Industrie | In French | → Organizations and associations → Industry, industrial policy |
| CRCI | Commission Régionale de Conciliation et d'Indemnisation | In French | → Public administration, government |
| CRCIL | Centre de Recherche Cardiovasculaire INSERM-Lariboisière | In French | → Research institutes → Blood and circulatory system → Cardiology |
| CRDGS | Centre de Recherche et de Développement Groupe Saidal | In French | |
| CRDI | Centre de Ressources Didactiques Informatisées | In French | → Education |
| CRDI | Centre de Recherches pour le Développement International = IDRC | International Development Research Centre | In English |
In French | → Development |
| CRDP | Centre Régional de Documentation Pédagogique | In French | → Libraries → Education |
| CRE | Conférence des Recteurs Européens | In French | → Organizations and associations → Higher education, universities |
| CREAI | Centre Régional de l'Enfance et de l'Adolescence Inadaptée | In French | → Social welfare → Education |
| CREATIS | Centre de Recherche et d'Application en Traitement de l'Image et du Signal | In French | → Research institutes → Graphical processing → Image processing |
| CREDES | Centre de Recherche, d'Étude et de Documentation en Économie de la Santé | In French | → Economics → Pharmacology, toxicology |
| CREDO | Cabin noise Reduction by Experimental and numerical Design Optimization | In French | → Acoustics → Aeronautics, aircraft |
| CREDOC | CRÉdit DOCumentaire | In French | → Libraries |
| CREM | Centre de Recherche en Économie et Management | In French | → Research institutes → Economics → Management |
| CREP | Centre de Recherche Économique sur l'Épargne | In French | → Finance |
| CREPAUC | Centre Régional d'Éducation Permanente en Architecture, Urbanisme et Construction | In French | → Education → Building → Regional planning → Architecture |
| CREPS | Centre Régional d'Éducation Physique et Sportive | In French | → Education → Sport, physical exercises |
| CRESCA | Chambre Régionale de l'Economie Sociale de Champagne-Ardenne | In French | |
| CRESCA | Chambre Régionale de l'Économie Sociale de Champagne-Ardenne | In French | → Economics |
| CREST | Centre de Recherche en Économie et STatistique | In French | → Statistics → Economics |
| CREST | Comité pour la Recherche Scientifique et Technique | In French | → Mathematics and natural sciences → Applied sciences, technology |
| CREST | Comité de la Recherche Scientifique et Technique (de l'Union européenne) | In French | → Research policy → Mathematics and natural sciences → Applied sciences, technology |
| CREST | Comité de la REcherche Scientifique et Technique | In French | → Research policy → Mathematics and natural sciences → Applied sciences, technology |
| CRHEA | Centre de Recherche sur l'Hétéroépitaxie et ses Applications | In French | → Electronics |
| CRI | Centre Relais Innovation | In French | → Research policy |
| CRI SOFRAA | Centre Relais Innovation Suisse Ouest / France Rhône-Alpes Auvergne | In French | |
| CRIDEL | Centre de Rencontres et d'Initiatives pour le Développement Local | In French | → Social sciences |
| CRIF | Conseil Régional d'Ile-de-France | In French | → Public administration, government |
| CRIFP | Centre de Recherche en Ingénierie Financière et Finances Publiques | In French | → Finance |
| CRIH | Centre Régional d'Informatique Hospitalière | In French | → Computer science → Medicine |
| CRIM | Centre de Recherche en Ingénierie Multilingue (www.crim.fr) | In French | → Research institutes → Language, linguistics, literature |
| CRIN | Centre de Recherche en Informatique de Nancy | In French | → Research institutes → Computer science |
| CRIN | Coordination Recherche INdustrie | In French | → Research policy → Engineering, technology |
| CRIPEL | Cahiers de Recherches de l'Institut de Papyrologie et d'Égyptologie de Lille | In French | → Serial publications, periodicals → Language, linguistics, literature → Geography, biography, history |
| CRIPI | Commission Régionale pour l'Insertion des Populations Immigrées | In French | → Social sciences |
| CRISMS | Commission Régionale des Institutions Sociales et Médico-Sociales | In French | → Social welfare → Medicine |
| CRITT | Centre Régional d'Innovation et de Transfert Technologique | In French | → Engineering, technology |
| CRITT | Centre Régional d'Innovation et de Transfert Technologique | In French | → Engineering, technology |
| CRITT BNC | Centre Régional d'Innovation et de Transfert de Technologie de Basse-Normandie Cotentin | In French | → Engineering, technology |
| CRL | Cellule de Recherche en Linguistique | In French | → Linguistics |
| CRN | Caisse de Retraite des Notaires | In French | → Labour, labour economics → Law, jurisprudence → Insurance |
| CROIA | Commission Régionale des Opérations Immobilières et de l'Architecture | In French | → Building → Regional planning |
| CROIR | Centre de Ressources et d'Observation de l'Innovation Religieuse | In French | → Religion, theology → Social sciences |
| CROUS | Centre Régional des Œuvres Universitaires et Scolaires | In French | → Social welfare → Education |
| CRP | Comité Régional de Pêche | In French | → Organizations and associations → Fishing, hunting |
| CRP | Centre de Rééducation Professionnelle | In French | → Labour, labour economics → Education |
| CRPA | Commission Royale sur les Peuples Autochtones = RCAP | Royal Commission on Aboriginal Peoples | In English |
In French | → Politics |
| CRPCC | Centre de Recherches en Psychologie, Cognition et Communication | In French | → Research institutes → Psychology → Sociology |
| CRPE | Centre de Recherches en Physique de l'Environment Terrestre et Planétaire | In French | → Astronomy → Physics → Earth sciences |
| CRPE | Concours de Recrutement de Professeur des Écoles | In French | → Education |
| CRPF | Centre Régional de la Propriété Forestière | In French | → Forestry |
| CRPN | Caisse de Retraite du Personnel Navigant | In French | → Labour, labour economics → Insurance → Transport and postal services |
| CRPNPAC | Caisse de Retraite du Personnel Navigant de l'Aéronautique Civile | In French | → Labour, labour economics → Insurance → Transport and postal services |
| CRR | Commission des Recours des Réfugiés | In French | → Demography, statistics, sociology → Law, jurisprudence |
| CRRG | Centre Régional de Ressources Génétiques | In French | → Genetics |
| CRRL | Centre Régional Résistance et Liberté | In French | → Museums → History |
| CRS | Compagnie Républicaine de Sécurité | In French | → Police |
| CRSN | Cadre de Référence Stratégique National | In French | → Central administration |
| CRSPH | Compte-Rendu des Séances de la Société de Physique et d'Histoire Naturelle de Genève | In French | → Serial publications, periodicals → Mathematics and natural sciences |
| CRT | Centre de Ressources Technologiques | In French | → Engineering, technology |
| CRT | Comité Régional du Tourisme | In French | → Tourism |
| CRTH | Centre Régional de Traitement de l'Hémophilie | In French | → Pathology |
| CRU | Comité Réseau des Universités (www.cru.fr) | In French | → Higher education, universities |
| CRZV | Centre de Recherches Zootechniques et Vétérinaires | In French | → Zoology → Veterinary medicine → Agricultural sciences |
| CSA | Conseil Supérieur de l'Audiovisuel | In French | → Organizations and associations → Cinema, movies → Telecommunications |
| CSA | Contrôle Sanction Automatisé | In French | → Public administration, government → Transport and postal services |
| CSC | Confédération des Syndicats Chrétiens = ACV | Algemeen Christelijk Vakverbond | In Dutch |
In French | → Organizations and associations → Labour, labour economics → Christianity |
| CSC | Centre de Recherche Scientifique et Technique en Soudage et Contrôle | In French | |
| CSCE | Conférence sur la Sécurité et la Coopération en Europe = CSCE | Conference on Security and Co-operation in Europe | In English |
In French | → International relations → European Union |
| CSD | Centrale des Syndicats Démocratiques | In French | → Organizations and associations → Labour, labour economics |
| CSE | Comité Spécial sur les Échanges = SCT | Special Committee on Trade | In English = CEC | Comissão Especial de Comércio | In Portuguese |
In French | → Trade |
| CSEG | Conseil Supérieur de l’Électricité et du Gaz | In French | → Energy economics → Electrical engineering |
| CSG | Contribution Sociale Généralisée | In French | → Insurance |
| CSG | Centre Spatial Guyanais | In French | → Spaceflight engineering, astronautics |
| CSHSP | Collectif de Soutien des Homos Sans Papiers | In French | → Organizations and associations → 3472 |
| CSI | Confédération Syndicale Internationale | In French | → International relations → Labour, labour economics |
| CSI | Cité des Sciences et de l'Industrie | In French | → Museums → Mathematics and natural sciences → Applied sciences, technology |
| CSMI | Commission Spécialisée des Marchés d'Informatique | In French | → Computer science |
| CSN | Coopérant du Service National | In French | → Labour, labour economics → Public administration, government |
| CSNE | Comité Sûreté Nucléaire en Exploitation | In French | → Nuclear technology |
| CSNSM | Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse | In French | → Nuclei → Chromatography, mass spectrography |
| CSOEC | Conseil Supérieur de l'Ordre des Experts-Comptables | In French | → Organizations and associations → Commercial law → Accounting |
| CSP | Conseil Supérieur de la Pêche | In French | → Organizations and associations → Fishing, hunting |
| CSP | Comité des Spécialités Pharmaceutiques | In French | → Organizations and associations → Pharmacology, toxicology |
| CSPI | Conseil Supérieur de la Propriété Intellectuelle | In French | → Industrial property |
| CSPLA | Conseil Supérieur de la Propriété Littéraire et Artistique | In French | → Artistic property |
| CSPP | Conseil des Sociétés Provinciales de Psychologues = CPAP | Council of Provincial Associations of Psychologists | In English |
In French | → Organizations and associations → Psychology |
| CSQ | Contrôle Statistique de la Qualité | In French | → Data → Statistics |
| CSRP | Chambre Syndicale de la Répartition Pharmaceutique | In French | → Organizations and associations → Pharmacology, toxicology |
| CSRT | Conseil Supérieur de la Recherche et de la Technologie | In French | → Research policy → Engineering, technology |
| CSRT | Conseil Supérieur de la Recherche et des Technologies | In French | → Mathematics and natural sciences → Applied sciences, technology |
| CSS | Certificat de Sécurité et de Sauvetage | In French | → Medicine |
| CSSIN | Conseil Supérieur de la Sûreté et de l’Information Nucléaire | In French | → Organizations and associations → Nuclear technology |
| CSSTM | Centre de Sécurité Sociale des Travailleurs Migrants | In French | → Migrations → Insurance |
| CST | Centre de la Ssécurité des Télécommunications = CSE | Communications Security Establishment | In English |
In French | → Telecommunications |
| CST | Commission Supérieure Technique de l'image et du son | In French | → Music → Cinema, movies |
| CSTA | Chambre Syndicale du Transport Aérien | In French | → Organizations and associations → Transport and postal services |
| CSTB | Centre Scientifique et Technique du Bâtiment | In French | → Building |
| CSTC | Centre Scientifique et Technique de la Construction = WTCB | Wetenschappelijk en Technisch Centrum voor het Bouwbedrijf | In Dutch |
In French | → Building |
| CSTEP | Comité Scientifique, Technique et Économique de la Pêche | In French | → Organizations and associations → Fishing, hunting |
| CSTI | Culture scientifique, technique et industrielle | In French | → Civilization, culture, progress → Mathematics and natural sciences → Applied sciences, technology |
| CSTI | Conseil Stratégique des Technologies de l’Information | In French | → Organizations and associations → Computer science → Telecommunications |
| CSU | Cultures et Sociétés Urbaines | In French | → Sociology |
| CTAA | Centre Technique d'Aide aux Associations | In French | → Associations → Applied sciences, technology |
| CTAAI | Commission Territoriale d'Attribution des Aides à l'Innovation | In French | → Research policy → Engineering, technology |
| CTC | Congrès du Travail du Canada = CLC | Canadian Labour Congress | In English |
In French | → Organizations and associations → Labour, labour economics |
| CTDC | Centre Technique Départemental de la Consommation | In French | → Economics |
| CTE | Contrat Territorial d'Exploitation | In French | |
| CTE | Contrats Territoriaux d’Exploitation | In French | |
| CTEU | Centre de Télé-Enseignement Universitaire | In French | → Higher education, universities → Telecommunications |
| CTFT | Centre Technique Forestier Tropical | In French | → Forestry |
| CTFVP | Commission pour la Transparence Financière de la Vie Politique | In French | → Political parties and movements → Economics |
| CTG | Conseil Technique Gaz | In French | → Energy economics |
| CTH | Conseiller pour les Travailleurs Handicapés | In French | → Labour, labour economics → Medicine |
| CTH | Catalogue des Textes Hittites = CHT | Catalog of Hittite Texts | In English |
In French | → Bibliography → Libraries → Language, linguistics, literature |
| CTHS | Comité des Travaux Historiques et Scientifiques | In French | → Mathematics and natural sciences → History |
| CTI | Commission des Titres d'Ingénieur | In French | → Specialized or (poly)technical colleges → Engineering, technology |
| CTI | Céramiques Techniques et Industrielles (www.ctisa.fr) | In French | → Applied sciences, technology |
| CTI | Commission des Titres d’Ingénieur (www.cti-commission.fr) | In French | → Organizations and associations → Specialized or (poly)technical colleges |
| CTI | Centre de Techniques Internationales (www.cti-learning.com) | In French | → Education → Management |
| CTI | Couplage Téléphonie Informatique | In French | → Computer science → Telecommunications |
| CTI | Centre Technique Industriel | In French | → Engineering, technology |
| CTICM | Centre Technique Industriel de la Construction Métallique | In French | → Civil engineering → Building |
| CTIFL | Centre Technique Interprofessionnel des Fruits et Légumes | In French | → Agricultural sciences |
| CTNERHI | Centre Technique National d'Études et de Recherches sur les Handicaps et les Inadaptations | In French | → Social sciences → Medicine |
| CTP | Comité Technique Paritaire | In French | → Engineering, technology |
| CTP | Centre Technique du Papier (www.webctp.com) | In French | → Research institutes → Paper and board industry |
| CTP | Contrat de Transition Professionnelle | In French | → Labour, labour economics → Education |
| CTS | Centre des Techniques Spatiales | In French | → Spaceflight engineering, astronautics |
| CTS | Centre de Transfusion Sanguine | In French | → Blood and circulatory system |
| CTSC | Centre Technique des Salaisons et Conserves | In French | → Agricultural sciences |
| CTTB | Centre Technique des Tuiles et Briques | In French | → 666 |
| CU | Certificat d'Université | In French | → Education |
| CUCS | Contrat Urbain de Cohésion Sociale | In French | → Social welfare → Regional planning |
| CUDL | Communauté Urbaine de Lille | In French | → Public administration, government → Regional planning |
| CUEJ | Centre Universitaire d'Enseignement du Journalisme | In French | → Higher education, universities → Newspapers, journalism |
| CUH | Code de l'Urbanisme et de l'Habitation | In French | → Public administration, government → Building → Regional planning |
| CUIO | Cellule Universitaire d'Information et d'Orientation | In French | → Labour, labour economics → Higher education, universities |
| CULLT | Club des Utilisateurs des Logiciels Libres en Tunisie | In French | → Organizations and associations → Software |
| CULTe | Club des Utilisateurs de Linux de Toulouse et des environs | In French | → Software → Operating systems |
| CUMA | Coopérative d'Utilisation du Matériel Agricole | In French | → Organizations and associations → Agricultural sciences |
| CUMA | Coopérative d’Utilisation de Matériel Agricole | In French | → Organizations and associations → Agricultural sciences |
| CUP | Centre Universitaire Provincial | In French | → Higher education, universities |
| CUS | Communauté Urbaine de Strasbourg | In French | → Municipal administration |
| CUTO | Club des Utilisateurs d'Orphée | In French | → Organizations and associations → Libraries |
| CVA | Commission de Vérification des Arrestations | In French | |
| CVCEP | Commission de Vérification des Comptes des Entreprises Publiques | In French | → Accounting |
| CVG | Certificat de Valeur Garantie | In French | → Finance |
| CVR | Combattant Volontaire de la Résistance | In French | |
| D | Acide aspartique = D | Aspartic Acid | In English = D | অ্যাস্পার্টিক অ্যাসিড | In Bengali = D | Kyselina asparagová | In Czech = D | Asparaginsäure | In German = D | Ácido aspártico | In Spanish = D | Asparta acido | In Esperanto = D | 아스파르트산 | In Korean = D | Asam aspartat | In Indonesian = D | Acido aspartico | In Italian = D | Àcid aspàrtic | In Catalan = D | חומצה אספרטית | In Hebrew = D | Asparagīnskābe | In Latvian = D | Asparto rūgštis | In Lithuanian = D | Aszparaginsav | In Hungarian = D | Asparaginezuur | In Dutch = D | アスパラギン酸 | In Japanese = D | Kwas asparaginowy | In Polish = D | Ácido aspártico | In Portuguese = D | Аспарагиновая кислота | In Russian = D | Asparagiinihappo | In Finnish = D | Asparaginsyra | In Swedish = D | Aspartat | In Turkish = D | Аспарагінова кислота | In Ukrainian |
In French | → Biochemistry, biophysics |
| D2C | Défense Deuxième Chance | In French | → Education |
| DA | Douleur Abdominale | In French | → Pathology |
| DAA | Diplôme d'Agronomie Approfondie | In French | → Specialized or (poly)technical colleges → Agricultural sciences |
| DAC | Direction de l'Approvisionnement en Communications | In French | |
| DAD | Détecteur Autonome Déclencheur | In French | → Electrical engineering |
| 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 et Internationales | In French | → Central administration → International relations |
| DAEI | Direction des Affaires Économiques Internationales | In French | → International relations → Economics |
| 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 |
| DAG | Direction de l'Administration Générale | In French | → Central administration |
| DAG | Diplôme d'Agronomie Générale | In French | → Specialized or (poly)technical colleges → Agricultural sciences |
| 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 |
| DAI | Détection Automatique d'Incident | In French | → Image processing → Transport and postal services |
| 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 |
| DALI | Digits, Architectures et Logiciels Informatiques | In French | → Software → Architecture |
| DAM | Direction des Applications Militaires | In French | → Military engineering |
| DANCE | Département Appui à la Négociation pour la Commercialisation de l'Électricité | In French | → Electrical engineering |
| DAP | Décodage Acoustico-Phonétique | In French | → Computer-based techniques → Telecommunications → Linguistics |
| DAPA | Direction de l'Architecture et du Patrimoine | In French | → Central administration → Architecture → Civilization, culture, progress |
| DAPI | Délégation d'Autorisation de Programme Individualisée | In French | |
| DAPN | Direction de l'Administration de la Police Nationale | In French | → Police → Central administration |
| DAPO | Direction des Approvisionnements de la Poste | In French | → Transport and postal services |