

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| BPCO | Broncho-Pneumopathie Chronique Obstructive = COPD | Chronic Obstructive Pulmonary Disease | In English = MPOC | Maladie Pulmonaire Obstructive Chronique | In French = COLD | Chronic Obstructive Airway Disease | In English = COAD | Chronisch obstruktive Atemwegserkrankung | In German = EPOC | Enfermedad Pulmonar Obstructiva Crónica | In Spanish = BPCO | Broncopneumopatia Cronica Ostruttiva | In Italian = DPOC | Doença Pulmonar Obstrutiva Crónica | In Portuguese = KOAH | Kronik Obstrüktif Akciğer Hastalığı | In Turkish | In French | → Chest diseases | 
| BPE | Béton Prêt à l'Emploi | In French | → Civil engineering → Civil engineering and land transport → Construction | 
| BPF | Branche de Prévoyance Familiale | In French | → Social welfare | 
| BPFD | Banque Populaire Fédérale de Développement | In French | → Banks | 
| BPGF | Banque Privée de Gestion Financière | In French | → Banks | 
| BPI | Bibliothèque Publique d'Information | In French | → Libraries | 
| BPI | Barreau Pénal International (www.bpi-icb.org) = CISL | Confédération Internationale des Syndicats Libres | In French = ICFTU | International Confederation of Free Trade Unions | In English = CIOSL | Confederación Internacional de Organizaciones Sindicales Libres | In Spanish = CIOSL | Confederação Internacional de Organizações Sindicais Livres | In Portuguese = ICB | International Criminal Bar | In English | In French | → Law, jurisprudence | 
| BPM | Bulletin Philatélique du Midi | In French | → Serial publications, periodicals → Graphic industries, printing, publishing | 
| BPN | Banque Populaire du Nord | In French | → Banks | 
| BPN | Bibliothèque Provençale Numérique | In French | → Libraries | 
| BPN | Bloc Primaire Numérique | In French | → Telecommunications → Networks, communication | 
| BPP | Bourse de perfectionnement professionnel | In French | → Education | 
| BPU | Bordereau de Prix Unitaires | In French | |
| BPU | Bordereau de Prix Unitaire | In French | → Prices | 
| BQN | Bloc Quaternaire Numérique | In French | → Telecommunications → Networks, communication | 
| BR | Bâtiment Réacteur | In French | → Nuclear technology | 
| Br | Brome = Br | Broom | In Afrikaans = Br | بروم | In Arabic = Br | Бром | In Belarusian = Br | Бром | In Bulgarian = Br | ব্রোমিন | In Bengali = Br | Brom | In Bosnian = Br | Brom | In Catalan = Br | Bromu | In Corsican = Br | Brom | In Czech = Br | Бром | In Chuvash = Br | Bromin | In Welsh = Br | Brom | In Danish = Br | Brom | In German = Br | Βρώμιο | In Greek = Br | Bromine | In English = Br | Bromo | In Esperanto = Br | Bromo | In Spanish = Br | Broom | In Estonian = Br | Bromo | In Basque = Br | برم | In Persian = Br | Bromi | In Finnish = Br | Brom | In Friulian = Br | Bróimín | In Irish = Br | Bromo | In Galician = Br | Bromeen | In Manx = Br | ברום | In Hebrew = Br | ब्रोमिन | In Hindi = Br | Brom | In Croatian = Br | Bwòm | In Haitian Creole = Br | Bróm | In Hungarian = Br | Բրոմ | In Armenian = Br | Brom | In Indonesian = Br | Bromo | In Ido = Br | Bróm | In Icelandic = Br | Bromo | In Italian = Br | 臭素 | In Japanese = Br | xunkliru | In Lojban = Br | Brom | JV = Br | ಬ್ರೋಮಿನ್ | In Kannada = Br | 브로민 | In Korean = Br | Bromum | In Latin = Br | Brom | In Letzeburgesh = Br | Bromas | In Lithuanian = Br | Broms | In Latvian = Br | Pūkane | In Māori = Br | Бром | In Macedonian = Br | ബ്രോമിന് | In Malayalam = Br | ब्रोमिन | In Marathi = Br | Broom | In Dutch = Br | Brom | In Nynorsk = Br | Brom | In Norwegian = Br | Bròme | In Occitan = Br | Brom | In Polish = Br | Bromo | In Portuguese = Br | Bromu | In Quechua = Br | Brom | In Romanian = Br | Бром | In Russian = Br | Brom | In Serbo-Croatian = Br | Bróm | In Slovak = Br | Brom | In Slovenian = Br | Бром | In Serbian = Br | Bromium | In Saterland Frisian = Br | Brom | In Swedish = Br | Bromi | In Swahili = Br | புரோமின் | In Tamil = Br | Бром | In Tajik = Br | โบรมีน | In Thai = Br | Brom | In Turkish = Br | Бром | In Ukrainian = Br | Brom | In Uzbek = Br | Brôm | In Vietnamese = Br | 溴 | In Chinese | In French | → Chemistry | 
| BR | Brigade Recherche | In French | → Police | 
| BrdU | Bromodéoxyuridine | In French | → Biochemistry, biophysics | 
| BRE | Bilan Rénovation Électricité | In French | → Electrical engineering | 
| BREC | Brigade Régionale d'Enquête et de Coordination | In French | → Police | 
| BRED | Banque Régionale d'Escompte et de Dépôt | In French | → Banks | 
| BREDA | Bureau Régional de l'Unesco pour l'Éducation en Afrique | In French | → International relations → Education → Africa | 
| BRF | Brigade des Réseaux Férrés | In French | → Public administration, government → Transport and postal services | 
| BRF | Bois Raméal Fragmenté | In French | → Forestry | 
| BRGM | Bureau de Recherches Géologiques et Minières | In French | → Earth sciences → Mining | 
| BRI | Bureau Régional d'Information | In French | |
| BRI | Brigade de Recherches et d'Intervention | In French | → Police | 
| BRMA | Bureau de Recherches Minières en Algérie | In French | → Mining → Algeria | 
| BRS | Banque Régionale de Solidarité | In French | → Banks → Development | 
| BRS | Bateau de Reconnaissance et Sauvetage | In French | |
| BSAF | Bulletin de la Société Astronomique de France | In French | → Serial publications, periodicals → Astronomy → France | 
| BSD | Banque Scalbert-Dupont | In French | → Banks | 
| BSFE | Bulletin de la Société Française d'Égyptologie | In French | → Serial publications, periodicals → Archeology → France | 
| BSN | Bloc Secondaire Numérique | In French | → Telecommunications → Networks, communication | 
| BSPCE | Bons de Souscription de Parts de Créateur d'Entreprise | In French | → Finance | 
| BSPF | Bulletin de la Societé Préhistorique Française | In French | → Serial publications, periodicals → Prehistory → France | 
| BSPP | Brigade des Sapeurs Pompiers de Paris (www.pompiersparis.fr) | In French | → Firefighting → France | 
| BSR | Brevet de Sécurité Routière | In French | → Education → Transport and postal services | 
| BSRSL | Bulletin de la Société Royale des Sciences de Liège | In French | → Serial publications, periodicals → Mathematics and natural sciences → Belgium | 
| BSSC | Bulletin de la Société des Sciences de Châtellerault | In French | → Serial publications, periodicals | 
| BT | Bon de Travail | In French | → Labour, labour economics | 
| BT | Basse Tension | In French | → Electrical engineering | 
| BTA | Brevet de Technicien Agricole | In French | → Education → Agricultural sciences | 
| BTAN | Bons du Trésor à taux fixe et à intérêts annuels | In French | → Finance | 
| BTF | Bons du Trésor à taux fixes | In French | → Finance | 
| BTM | Brevet Technique des Métiers | In French | → Education | 
| BTN | Bloc Tertiaire Numérique | In French | → Telecommunications → Networks, communication | 
| BTP | Bâtiment Travaux Publics | In French | → Civil engineering → Construction | 
| BTP | Bâtiments et Travaux Publics | In French | → Civil engineering → Construction | 
| BTR | Boîtier de Téléreport | In French | → Electrical engineering | 
| BTS | Brevet de Technicien Supérieur | In French | → Specialized or polytechnical colleges | 
| BTS | Bureau Technique Syndical | In French | → Organizations and associations → Labour, labour economics | 
| BTSA | Brevet de Technicien Supérieur Agricole | In French | → Specialized or polytechnical colleges → Agricultural sciences | 
| BU | Bibliothèque Universitaire | In French | → Libraries | 
| BuAsR | Bulletin Astronomique, Revue Générale des Travaux Astronomiques | In French | → Serial publications, periodicals → Astronomy | 
| BuAst | Bulletin Astronomique | In French | → Serial publications, periodicals → Astronomy | 
| BuBIH | Bulletin Horaire du Bureau International de l'Heure | In French | → Serial publications, periodicals → 006 | 
| BUCEMA | Bulletin du Centre d’Études Médiévales d’Auxerre | In French | → Newspapers, journalism → History | 
| BULLE | BUlletin de Liaison sur la Législation Environnementale | In French | → Serial publications, periodicals → Environmental protection → Threats to the environment | 
| BuMat | Bulletin Mathématique | In French | → Serial publications, periodicals → Mathematics | 
| BV | Bassin Versant | In French | → Hydrology | 
| BV | Béton Vibré | In French | → Civil engineering → Civil engineering and land transport → Construction | 
| BVP | Bureau de Vérification de la Publicité | In French | → Advertising | 
| BVQI | Bureau Veritas Qualité Internationale | In French | → Quality management | 
| C | Cystéine = C | Cysteine | In English = C | Cisteïna | In Catalan = C | Cystein | In Czech = C | Cystein | In German = C | Cisteína | In Spanish = C | Cisteino | In Esperanto = C | 시스테인 | In Korean = C | Sistein | In Indonesian = C | Cisteina | In Italian = C | ציסטאין | In Hebrew = C | Cisteīns | In Latvian = C | Cystein | In Letzeburgesh = C | Cisteinas | In Lithuanian = C | Cisztein | In Hungarian = C | Cysteïne | In Dutch = C | システイン | In Japanese = C | Cystein | In Norwegian = C | Cysteina | In Polish = C | Cisteína | In Portuguese = C | Цистеин | In Russian = C | Kysteiini | In Finnish = C | Cystein | In Swedish = C | Цистеїн | In Ukrainian = C | 半胱氨酸 | In Chinese | In French | → Biochemistry, biophysics | 
| C | Cytosine = C | Citosina | In Catalan = C | Cytosin | In Czech = C | Cytosin | In Danish = C | Cytosin | In German = C | Citosina | In Spanish = C | Citozino | In Esperanto = C | Cytosine | In English = C | Citosina | In Galician = C | Sitosin | In Indonesian = C | Citosina | In Italian = C | ציטוזין | In Hebrew = C | Citozinas | In Lithuanian = C | Cytosine | In Dutch = C | シトシン | In Japanese = C | Cytosin | In Norwegian = C | Cytozyna | In Polish = C | Citosina | In Portuguese = C | Цитозин | In Russian = C | Citozin | In Slovenian = C | Цитозин | In Serbian = C | Citozin | In Serbo-Croatian = C | Sytosiini | In Finnish = C | Cytosin | In Swedish = C | Cytosine | In Vietnamese = C | Sitozin | In Turkish = C | Цитозин | In Ukrainian = C | 胞嘧啶 | In Chinese | In French | → Genetics → Biochemistry, biophysics | 
| C | Carbone = C | Koolstof | In Afrikaans = C | كربون | In Arabic = C | Carbonu | In Asturian = C | Karbon | In Azerbaijani = C | Вуглярод | In Belarusian = C | Въглерод | In Bulgarian = C | কার্বন | In Bengali = C | Carboni | In Catalan = C | Carboniu | In Corsican = C | Uhlík | In Czech = C | Carbon | In Welsh = C | Carbon | In Danish = C | Kohlenstoff | In German = C | Άνθρακας | In Greek = C | Carbon | In English = C | Karbono | In Esperanto = C | Carbono | In Spanish = C | Süsinik | In Estonian = C | Karbono | In Basque = C | کربن | In Persian = C | Hiili | In Finnish = C | Carboni | In Friulian = C | Carbón | In Irish = C | Gualan | In Galician = C | Carbono | In Galician = C | કાર્બન | In Gujarati = C | פחמן | In Hebrew = C | कार्बन | In Hindi = C | Ugljik | In Croatian = C | Kabòn | In Haitian Creole = C | Szén | In Hungarian = C | Ածխածին | In Armenian = C | Carbon | In Interlingua = C | Karbon | In Indonesian = C | Karbo | In Ido = C | Kolefni | In Icelandic = C | Carbonio | In Italian = C | 炭素 | In Japanese = C | tabno | In Lojban = C | ಇಂಗಾಲ | In Kannada = C | 탄소 | In Korean = C | Karbon | In Kurdish = C | Carbonium | In Latin = C | Kuelestoff | In Letzeburgesh = C | Koolstof | In Limburgish = C | Carbòni | In Lombard = C | Kaboni | In Lingala = C | Anglis | In Lithuanian = C | Ogleklis | In Latvian = C | Waro | In Māori = C | Јаглерод | In Macedonian = C | കാര്ബണ് | In Malayalam = C | Нүүрстөрөгч | In Mongolian = C | कार्बन | In Marathi = C | Karbon | In Malay = C | Tecolli | En Nahuatl = C | Kohlenstoff | In Low German = C | Koolstof | In Dutch = C | Karbon | In Nynorsk = C | Karbon | In Norwegian = C | Karbo | NOV = C | Carbòni | In Occitan = C | Węgiel | In Polish = C | Carbono | In Portuguese = C | K'illimsayaq | In Quechua = C | Carbon | In Romanian = C | Углерод | In Russian = C | Carbòniu | In Sicilian = C | Ugljenik | In Serbo-Croatian = C | Uhlík | In Slovak = C | Ogljik | In Slovenian = C | Karboni | In Albanian = C | Угљеник | In Serbian = C | Karbon | In Sundanese = C | Kol | In Swedish = C | Kaboni | In Swahili = C | கரிமம் | In Tamil = C | Карбон | In Tajik = C | คาร์บอน | In Thai = C | Karbon | In Tagalog = C | Karbon | In Turkish = C | Вуглець | In Ukrainian = C | Uglerod | In Uzbek = C | Cacbon | In Vietnamese = C | Carboun | In Vlaams = C | Carbone | In Walloon = C | 碳 | In Wu Chinese = C | קוילנשטאף | In Yiddisch = C | 碳 | In Chinese | In French | → Chemistry | 
| C&E | Ciel et Espace | In French | → Serial publications, periodicals → Astronomy → Earth sciences | 
| C&T | Ciel et Terre | In French | → Serial publications, periodicals → Earth sciences | 
| C2EI | Concours Européen de l'Entreprise Innovante | In French | → Economics | 
| C3D | Caisse des Dépôts-Développements | In French | → Banks | 
| C3R | Commandement, Conduite, Communications et Renseignement | In French | → Military affairs | 
| C4F2 | Communication, Conduite du Changement, Culture Financière et Formation | In French | → Management → Finance → Education | 
| C6R | Convention pour la 6ème République | In French | → Political parties and movements | 
| Ca | Calcium = Ca | Calcium | In English = Ca | Kalsium | In Afrikaans = Ca | Calciu | In Asturian = Ca | ক্যালসিয়াম | In Bengali = Ca | Kalcijum | In Bosnian = Ca | Калций | In Bulgarian = Ca | Calci | In Catalan = Ca | Vápník | In Czech = Ca | Calciu | In Corsican = Ca | Calsiwm | In Welsh = Ca | Calcium | In Danish = Ca | Calcium | In German = Ca | Kaltsium | In Estonian = Ca | Ασβέστιο | In Greek = Ca | Calcio | In Spanish = Ca | Kalcio | In Esperanto = Ca | Kaltzio | In Basque = Ca | Calci | In Friulian = Ca | Kelkium | In Manx = Ca | Calcio | In Galician = Ca | 칼슘 | In Korean = Ca | Կալցիում | In Armenian = Ca | काल्सियम | In Hindi = Ca | Kalcij | In Croatian = Ca | Kalcio | In Ido = Ca | Kalsium | In Indonesian = Ca | Kalsín | In Icelandic = Ca | Calcio | In Italian = Ca | Kalisi | In Swahili = Ca | Kalsyòm | In Haitian Creole = Ca | Kalsiyûm | In Kurdish = Ca | Calcium | In Latin = Ca | Kalcijs | In Latvian = Ca | Kalzium | In Letzeburgesh = Ca | Kalcis | In Lithuanian = Ca | bogjinme | In Lojban = Ca | Kalcium | In Hungarian = Ca | Калциум | In Macedonian = Ca | കാല്സ്യം | In Malayalam = Ca | Konupūmā | In Māori = Ca | Kalsium | In Malay = Ca | Tenextepoztli | En Nahuatl = Ca | Calcium | In Dutch = Ca | カルシウム | In Japanese = Ca | Kalsium | In Norwegian = Ca | Kalsium | In Nynorsk = Ca | Calci | In Occitan = Ca | Kalsiy | In Uzbek = Ca | Calcium | In Low German = Ca | Wapń | In Polish = Ca | Cálcio | In Portuguese = Ca | Calciu | In Romanian = Ca | Isku q'illay | In Quechua = Ca | Кальций | In Russian = Ca | Kalciumi | In Albanian = Ca | Calciu | In Sicilian = Ca | Vápnik | In Slovak = Ca | Kalcij | In Slovenian = Ca | Калцијум | In Serbian = Ca | Kalcij | In Serbo-Croatian = Ca | Calcium | In Saterland Frisian = Ca | Kalsium | In Sundanese = Ca | Kalsium | In Finnish = Ca | Kalcium | In Swedish = Ca | கல்சியம் | In Tamil = Ca | కాల్షియమ్ | In Telugu = Ca | แคลเซียม | In Thai = Ca | Canxi | In Vietnamese = Ca | Калсий | In Tajik = Ca | Kalsiyum | In Turkish = Ca | Кальцій | In Ukrainian = Ca | 钙 | In Chinese | In French | → Chemistry | 
| CA | Congés Annuels | In French | → Personnel management → Labour, labour economics | 
| CA | Chef d'Agrès | In French | → Education → Firefighting | 
| CA | Conseil d'Administration | In French | → Management | 
| CAACA | Comité Antiautoritaire Contre l'Armée | In French | → Political parties and movements | 
| CAAE | Certificat d'Aptitude à l'Administration des Entreprises | In French | → Management → Specialized or polytechnical colleges | 
| CAAF | Contrat d'Approvisionnement et d'Aménagement Forestier | In French | → Forestry | 
| CAC | Comité Administratif de Coordination = CAC | Comité Administrativo de Coordinación | In Spanish = ACC | Administrative Committee on Coordination | In English = CAC | Comitê Administrativo de Coordenação | In Portuguese | In French | → United Nations | 
| CAC | Convention sur les Armes Chimiques = CAQ | Convención sobre las Armas Químicas | In Spanish = CWC | Chemical Weapons Convention | In English = CAQ | Convenção sobre Armas Químicas | In Portuguese | In French | → International relations → Military engineering | 
| CAC | Compagnie des Agents de Change | In French | → Finance | 
| CAC | Cotation Assistée en Continu | In French | → Finance | 
| CAC | Commission du Codex Alimentarius = CAC | Codex Alimentarius Commission | In English = CAC | Comisión del Codex Alimentarius | In Spanish = CAC | Comissão do Codex Alimentarius | In Portuguese | In French | → Beverage industry → Food technology | 
| CAC | Chargé d'Affaires Commercial | In French | → Trade | 
| CACAM | Caisse Algérienne de Crédit Agricole Mutuel | In French | → Banks → Social welfare → Agricultural sciences → Algeria | 
| CACCIA | Contrôle des ACCès à l'Infrastructure Applicative | In French | → Software | 
| CACOM | Caisse de consolidation et de mobilisation des crédits à moyen terme | In French | → Banks | 
| CAD | Comité d'Aide au Développement | In French | → Development | 
| CADA | Commission d'Accès aux Documents Administratifs | In French | → Public administration, government | 
| CADA | Commission pour l'Accès aux Documents Administratifs | In French | → Central administration | 
| CADEP | Caisse d'Amortissement de la Dette Publique | In French | → Finance → Public administration, government | 
| CADES | Caisse d'Amortissement de la Dette Sociale | In French | → Social sciences | 
| CADIS | Centre d'Analyse et d'Intervention Sociologiques | In French | → Police | 
| CADIST | Centre d'Acquisition et de Diffusion de l'Information Scientifique et Technique | In French | → Knowledge management → Libraries → Mathematics and natural sciences → Applied sciences, technology | 
| CADTM | Comité pour l'Annulation de la Dette du Tiers-Monde | In French | → Organizations and associations → Economics | 
| CADTM | Comité pour l'Annulation de la Dette du Tiers Monde (www.cadtm.org) = CADTM | Comité para la Anulación de la Deuda del Tercer Mundo | In Spanish = CADTM | Comité para la Anulación de la Deuda del Tercer Mundo | In Portuguese | In French | → Organizations and associations → Development | 
| CAE | Contrat d'Accompagnement pour l'Emploi | In French | → Labour, labour economics | 
| CAE | Centre d'Action Éducative | In French | → Education | 
| CAECL | Caisse d'Aide à l'Équipement des Collectivités Locales | In French | → Finance → Public administration, government | 
| CAEI | Certificat d'aptitude à l'enseignement des enfants et adolescents inadaptés | In French | → Education | 
| CAEM | Conseil d'Assistance Économique Mutuelle = СЭВ | Совет экономической взаимопомощи | In Russian = СИВ | Съвет за икономическа взаимопомощ | In Bulgarian = CAEM | Consell d'Assistència Econòmica Mútua | In Catalan = COMECON | Council of Mutual Economic Assistance | In English = KREH | Konsilio de Reciproka Ekonomia Helpo | In Esperanto = RGW | Rat für gegenseitige Wirtschaftshilfe | In German = CAME | Consejo de Ayuda Mutua Económica | In Spanish = KGST | Kölcsönös Gazdasági Segítség Tanácsa | In Hungarian = SEV | Sovet Ekonomitšeskoi Vzaimopomoštši | In Russian = KNER | Këshilli i Ndihmës Ekonomike Reciproke | In Albanian = RVHP | Rada vzájemné hospodářské pomoci | In Czech = RWPG | Rada Wzajemnej Pomocy Gospodarczej | In Polish = CAER | Consiliul de Ajutor Economic Reciproc | In Romanian = RVHP | Rada vzájomnej hospodárskej pomoci | In Slovak = HĐTTKT | Hội đồng Tương trợ kinh tế | In Vietnamese = РЕВ | Рада Економічної Взаємодопомоги | In Ukrainian = CAME | Consello de Axuda Mutua Económica | In Galician | In French | → International relations → Economics | 
| CAEN | Conseil Académique de l'Éducation Nationale | In French | → Central administration → Education | 
| CAF | Caisse d'Allocations Familiales | In French | → Social welfare | 
| CAF | Capacité d'Autofinancement | In French | → Finance → Accounting | 
| CAFA | Centre Académique de Formation Administrative | In French | → Education → Public administration, government | 
| CAFE | Calcul Formel et Équations | In French | → Mathematics | 
| CAFETS | Certificat d'Aptitude aux Fonctions d'Éducateur Technique Spécialisé | In French | → Education | 
| CAFOC | Centre Académique de Formation Continue | In French | → Education → Labour, labour economics | 
| CAFOE | Circulaire de l'Association Française d'Observateurs d'Étoiles Variables | In French | → Serial publications, periodicals → Astronomy → France | 
| CAFRP | Caisse d'Allocations Familiales de la Région Parisienne | In French | → Social welfare → France | 
| CAG | Contrôle Automatique de Gain | In French | → Electronics | 
| CAH | Centrale d'Approvisionnement pour l'Habitat | In French | → Accommodation | 
| CAH | Complexe Argilo-Humique | In French | → Chemistry → Agricultural sciences | 
| CAINAGOD | Caisse Nationale de Garantie des Ouvriers-Dockers | In French | → Insurance | 
| CAJ | Centre d'Animation Jeunesse | In French | |
| CAJV | Centre Aviaire Johanne Vaillancourt | In French | → Zoology | 
| CAL | Commission d'Attribution des Logements | In French | → Accommodation | 
| CALA | Club d'Astronomie de Lyon Ampère | In French | → Organizations and associations → Astronomy → France | 
| CALIPSO | Comptabilité Axée sur la LIsibilité de Processus et la Simplification des Organisations | In French | → Accounting | 
| CALMIT | Center for Advanced Land Management Information Technologies | In French | → Computer science → Agricultural sciences | 
| CALT | Contrat d'Approvisionnement Long Terme | In French | → Commercial law | 
| CAM | Carte à Mémoire | In French | → Memories | 
| CAMAC | Caisse Mutuelle d'Assurance Maladie des Cultes | In French | → Religion, theology → Insurance | 
| CAMAP | Cadres de la Mutualité, de l'Assurance et de la Prévoyance | In French | → Higher education, universities → Labour, labour economics → Social welfare → Insurance | 
| CAMARCA | Caisse Mutuelle Autonome de Retraites Complémentaires Agricoles | In French | → Labour, labour economics → Insurance → Agricultural sciences | 
| CAMARI | Certificat d'Aptitude à Manipuler les Appareils de Radiographie Industrielle | In French | → Nuclear technology | 
| CAMAVIC | Caisse Mutuelle d'Assurance Vieillesse des Cultes | In French | → Religion, theology → Insurance | 
| CAMCA | Centre d'Arbitrage et de Médiation Commerciale pour les Amériques = CAMCA | Centro de Arbitraje y Mediación Comercial para las Américas | In Spanish = CAMCA | Commercial Arbitration and Mediation Centre for the Americas | In English = CAMCA | Centro de Arbitragem e Mediação Comercial para as Américas | In Portuguese | In French | → Civil law → Trade | 
| CAMEF | Conseil Atlantique des Ministres de l'Éducation et de la Formation (http://camet-camef.ca) = CAMET | Council of Atlantic Ministers of Education and Training | In English | In French | → Organizations and associations → Education | 
| CAMELIA | CAlcul MÉcanique de LIgnes Aériennes | In French | → Electrical engineering | 
| CAMEP | Centrale Autonome Métropolitaine d'Eau Potable | In French | → Environmental technology, water supply, waste management | 
| CAMIF | Coopérative d'Achat Mutualiste des Instituteurs de France (https://www.camif.fr) | In French | → Organizations and associations → Trade → Education → France | 
| CAMR | Caisse Autonome Mutuelle de Retraites | In French | → Labour, labour economics → Insurance | 
| CAMR | Caisse Autonome Mutuelle de Retraite | In French | → Insurance → Labour, labour economics | 
| CAMS | Certificat d'Aptitude en Médecine du Sport | In French | → Education → Medicine → Sport, physical exercises | 
| CAMV | Coût d'Achat des Marchandises Vendues | In French | → Prices | 
| CAMV | Club Athlétique de Mantes-la-Ville (www.camv-athle.org) | In French | → Organizations and associations → Sport, physical exercises → France | 
| CAN | Communauté Andine des Nations | In French | → International relations | 
| CAN | Compagnie Auxiliaire de Navigation | In French | → Transport and postal services | 
| CANAM | Caisse Nationale d'Assurance Maladie et Maternité | In French | → Insurance | 
| CANCAVA | Caisse Nationale de Compensation de l'Assurance Vieillesse des Artisans | In French | → Insurance | 
| CANSSM | Caisse Autonome Nationale de la Sécurité Sociale dans les Mines | In French | → Insurance → Mining | 
| CANTOUS | Centre d'Activités Naturelles Tirées d'Occupations Utiles | In French | |
| CAO | Conception Assistée par Ordinateur | In French | → Computer-based techniques → Engineering, technology | 
| CAO | Commission d'Appel d'Offres | In French | |
| CAP | Centre d'Analyse et de Prévision | In French | |
| CAP | Certificat d'Aptitude Professionnelle | In French | → Education | 
| CAPA | Certificat d'Aptitude à la Profession d'Avocat | In French | → Education → Law, jurisprudence | 
| CAPA | Certificat d'Aptitude Professionnelle Agricole | In French | → Education → Agricultural sciences | 
| CAPA | Coopérative Agricole de la Plaine de l'Ariège (www.capa09.com) | In French | → Organizations and associations → Agricultural sciences → France | 
| CAPA | Communauté d'Agglomération du Pays Ajaccien (www.ca-ajaccien.fr) | In French | → Municipal administration → France | 
| CAPA | Commission Administrative Paritaire Académique | In French | → Central administration → Education | 
| CAPAC | Certificat d’Aptitude à la Profession d’Avocat au Conseil d’État et à la Cour de cassation | In French | → Education → Law, jurisprudence | 
| CAPD | Commission Administrative Paritaire Départementale | In French | → Public administration, government | 
| CAPE | Coordonnateur des Améliorations des Processus d'Entreprise | In French | → Management | 
| CAPE | Contrat d'Appui Au Projet d'Entreprise | In French | → Labour, labour economics | 
| CAPEB | Confédération de l'Artisanat et des Petites Entreprises du Bâtiment (www.capeb.fr) | In French | → Organizations and associations → Construction → France | 
| CAPEPS | Certificat d'Aptitude au Professorat de l'Éducation Physique et Sportive | In French | → Education → Sport, physical exercises | 
| CAPES | Certificat d'Aptitude au Professorat de l'Enseignement Secondaire | In French | → Education | 
| CAPESA | Certificat d'Aptitude pour l'Enseignement Secondaire Agricole | In French | → Education → Agricultural sciences | 
| CAPET | Certificat d'Aptitude au Professorat de l'Enseignement Technique | In French | → Education | 
| CAPLP | Certificat d'Aptitude au Professorat de Lycée Professionnel | In French | → Education | 
| CAPLPA | Certificat d'Aptitude au Professorat des Lycées Professionnels Agricoles | In French | → Labour, labour economics → Education → Agricultural sciences | 
| CAPLPA | Certificat d'Aptitude au Professorat de Lycée Professionnel Agricole | In French | → Education → Agricultural sciences | 
| CAPM | Communauté d'Agglomération du Pays de Montbéliard | In French | → Municipal administration | 
| CAPN | Commission Administrative Paritaire Nationale | In French | → Public administration, government | 
| CAPO | Club Athlétique Préparation Olympique | In French | → Organizations and associations → Sport, physical exercises | 
| CAPRIM | Caisse de Prêts Immobiliers de Paris et des départements limitrophes | In French | → Banks → Accommodation → France | 
| CAPS | Communauté d'Agglomération du Plateau de Saclay (www.saclay-scientipole.org) | In French | → 351 | 
| CAPS | Compilation, Architectures Parallèles et Systèmes | In French | → Research institutes → Computer science | 
| CAR | Contrat Ambition Réussite | In French | → Education | 
| CARE | Centre d'Anthropologie Religieuse Européenne (http://care.ehess.fr) | In French | → Research institutes → Anthropology → Religion, theology → France | 
| CAREP | Centre Académique de Ressources pour l'Éducation Prioritaire | In French | → Documentation → Education | 
| CARIF | Centre d'Animation, de Ressources et d'Information sur les Formations | In French | → Libraries → Education | 
| CARIF | Centre d'Animation et de Ressources d'Information sur la Formation | In French | → Documentation → Education → Labour, labour economics | 
| CARIMET | Coopération Caribéenne de Métrologie = CARIMET | Caribbean Metrology Cooperation | In English = CARIMET | Cooperação Caribenha de Metrologia | In Portuguese | In French | → International relations → Standardization | 
| CARL | Cerveau Analytique de Recherche et de Liaison | In French | → Computer hardware → Artificial intelligence → Cinema, movies | 
| CARMF | Caisse Autonome de Retraite des Médecins Français | In French | → Insurance → Medicine → France | 
| CARPA | Caisse de Règlements Pécuniaires de la Profession d'Avocat | In French | → Labour, labour economics → Law, jurisprudence | 
| CARPIMKO | Caisse Autonome de Retraite et de Prévoyance des Infirmiers, Masseurs-Kinésithérapeutes, médecins-podologues, orthophonistes et orthoptistes | In French | → Labour, labour economics → Insurance → Medicine | 
| CARUM | Club des Anesthésistes Réanimateurs Urgentistes Militaires | In French | → Organizations and associations → Anesthesiology | 
| CAS | Centre d'Analyse Stratégique | In French | → Public administration, government | 
| CAS | Caisse d'Activités Sociales | In French | → Social welfare | 
| CAS | Comité d'Action Socialiste | In French | → Socialist parties → History | 
| CAS | Conjonctivite Allergique Saisonnière | In French | → Pathology → Ophthalmology → Immunology and allergy | 
| CASDIS | Conseil d'Administration du Service Départemental d'Incendie et de Secours | In French | → Regional administration → Firefighting → Traumatology | 
| CASIMIR | Centre d'Appui et Simulation des Industries par les Moyens de l'Innovation et de la Recherche | In French | → Research policy → Engineering, technology | 
| CASIS | Comité d'Appui au Système d'Information Sanitaire | In French | → Organizations and associations → Medicine | 
| CASM | Centre d'Action Sociale des Métiers | In French | → Labour, labour economics → Social welfare | 
| CASNAV | Centre Académique pour la Scolarisation des Nouveaux Arrivants et des enfants du Voyage | In French | → Education | 
| CASQY | Communauté d'Agglomération de Saint-Quentin-en-Yvelines | In French | → Municipal administration | 
| CASU | Conseiller d'Administration Scolaire et Universitaire | In French | → Central administration → Education → Higher education, universities | 
| CAT | Centre d'Aide par le Travail | In French | → Labour, labour economics | 
| CAT | Conduite À Tenir | In French | |
| CATIA | Conception Assistée Tri-dimensionnelle InterActive | In French | → Computer-based techniques → Engineering, technology | 
| CATP | Certificat d'Aptitude Technique et Professionnelle | In French | → Education |