| BMBF | Bundesministerium für Bildung und Forschung (www.bmbf.de) | In German | → Central administration → Education → Research policy |
| BMBWK | Bundesministerium für Bildung, Wissenschaft und Kultur (www.bmbwk.gv.at) | In German | → Central administration → Education → Mathematics and natural sciences → Civilization, culture, progress |
| BME | Bench Maintenance Equipment | In English | → Maintenance and logistics |
| BMFT | Bundesministerium für Forschung und Technologie | In German | → Research policy → Central administration → Medicine |
| BMI | Brain Machine Interface | In English | → Human-computer interaction |
| BMI | Biomoleculaire Informatica | In Dutch | → Computer-based techniques → Biochemistry, biophysics → Biotechnology |
| BMI | Bureau de Management Industriel | In French | → Management |
| BMIDE | Business Modeler Integrated Development Environment | In English | → Software |
| BMÖ | Bundesverband Materialwirtschaft, Einkauf und Logistik in Österreich | In German | → Organizations and associations → Maintenance and logistics → 620 |
| BMTS | Bench Maintenance Test Set | In English | → Maintenance and logistics |
| BMVA | British Machine Vision Association | In English | → Associations → Computer-based techniques |
| BNAE | Bureau de Normalisation de l'Aéronautique et de l'Espace (www.bnae.asso.fr) | In French | → Standardization → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| BNI | Belgisch Instituut voor Normalisatie = IBN | Institut Belge de Normalisation | In French |
In Dutch | → Standardization |
| BNIB | Bureau de Normalisation de l'Industrie du Béton | In French | → Standardization → Civil engineering → Building |
| BNLH | Bureau de Normalisation des Liants Hydrauliques | In French | → Standardization → Civil engineering → Building |
| BNML | Business Narrative Markup Language | In English | → Programming languages → Economics |
| BNSI | Barbados National Standards Institution | In English | → Standardization |
| BNTB | Bureau de Normalisation des Techniques du Bâtiment (http://bntbweb.cstb.fr) | In French | → Standardization → Building |
| BNTEC | Bureau de Normalisation des Techniques et des Équipements de la Construction | In French | → Standardization → Civil engineering → Building |
| BOAI | Budapest Open Access Initiative | In English | → Networks, communication → Libraries |
| BOBS | Botswana Bureau of Standards | In English | → Standardization |
| BOCC | Big Oxford Computer Company (www.bocc.co.uk) | In English | → Software → Networks, communication |
| BOI | Bałtycka Olimpiada Informatyczna | In Polish | → Computer science |
| BOM | Byte-Order Mark | In English | → Computer science |
| BPEL4WS | Business Process Execution Language for Web Services | In English | → Networks, communication → Economics |
| BPM | Business Process Model(l)ing | In English | → Management → Economics |
| BPM | Business Performance Management | In English | → Management |
| BPM | Business Process Management | In English | → Management |
| BPML | Business Process Modelling Language | In English | → Programming languages → Economics |
| BPML | Business Process Markup Language | In English | → Programming languages → Economics |
| BPML | Business Process Management Language | In English | → Programming languages → Data |
| BPMS | Business Process Management Systems | In English | → Management |
| BPQL | Business Process Query Language | In English | → Programming languages → Economics |
| BPS | Bureau of Product Standards | In English | → Standardization |
| BRICKS | Building Ressources for Integrated Cultural Knowledge Service | In English | → Civilization, culture, progress |
| BRMIC | Behavior Research Methods, Instruments and Computers | In English | → Serial publications, periodicals → Psychology → Computer science |
| BRML | Biroul Român de Metrologie Legală | In Romanian | → Standardization |
| BRZ | Bundesrechenzentrum | In German | → Computer science → Mathematics |
| BS | British Standard | In English | → Standardization |
| BSA | Business Software Alliance | In English | → Organizations and associations → Software |
| BSCM | Business Service Configuration Manager | In English | → Hardware |
| BSCS | Bachelor of Science in Computer Science | In English | → Higher education, universities → Computer science |
| BSD | Berkeley Software Distribution | In English | → Operating systems |
| BSD | Berkeley System Distribution | In English | → Operating systems |
| BSI | Bundesamt für Sicherheit in der Informationstechnik | In German | → Computer science → Central administration |
| BSI | British Standards Institution | In English | → Standardization |
| BSMD | Bahrain Standards & Metrology Directorate | In English | → Standardization |
| BSML | Bioinformatic Sequence Markup Language | In English | → Data → Biological sciences |
| BSN | Badan Standardisasi Nasional | In Indonesian | → Standardization |
| BSS | Begusch Software Systeme | In German | → Software |
| BSTI | Bangladesh Standards and Testing Institution | In English | → Standardization |
| BSW | BFS Software | In English | → Software |
| BTC | Binary Time Code | In English | → Computer science |
| BTR | Bus Transfer | In English | → Computer science |
| BTU | Bus Terminal Unit | In English | → Computer science |
| BuBIH | Bulletin Horaire du Bureau International de l'Heure | In French | → Serial publications, periodicals → 006 |
| BUC | Backup Computer | In English | → Hardware |
| BVN | Byggebransjens Våtromsnorm | In Norwegian | → Standardization |
| BVQI | Bureau Veritas Qualité Internationale | In French | → Quality management |
| BXML | Backbase eXtensible Mark-up Language | In English | → Programming languages |
| CAA | Computational Aeroacoustics | In English | → Computer-based techniques → Aerodynamics → Acoustics |
| CAA | Component Application Architecture | In English | → Software |
| CAAE | Certificat d'Aptitude à l'Administration des Entreprises | In French | → Management → Specialized or (poly)technical colleges |
| CAALIS | Computer-Aided Assembly-Line Inspection System | In English | → Computer-based techniques |
| CAAML | Canadian Avalanche Association Markup Language | In English | → Software → Earth sciences |
| CAAT | Computer-Aided Assembly Tool | In English | → Computer-based techniques |
| CAB | Computer Address Bus | In English | → Computer science |
| CAD | Computer-Aided Design | In English | → Computer-based techniques |
| CAD | Computer-Aided Detection | In English | → Diagnostics → Computer-based techniques |
| CADAM | Computer Graphics Augmented Design and Manufacturing | In English | → Computer simulation |
| CADAM | Computer Augmented Design And Manufacturing | In English | → Computer-based techniques → Engineering, technology |
| CADDS | Computer-Aided Design and Drafting System | In English | → Computer simulation |
| CADH | Communications and Data Handling | In English | → Data → Telecommunications |
| 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 |
| CADOPS | Computer-Aided Design costing for Operations | In English | → Computer-based techniques |
| CADS | Computer-Aided Design System | In English | → Computer-based techniques |
| CADU | Control And Display Unit | In English | → Human-computer interaction |
| CAE | Computer-Aided Engineering | In English | → Computer-based techniques → Engineering, technology |
| CAE | Computer Aided Engineering | In English | → Computer-based techniques → Engineering, technology |
| CAETI | Centre d’Alta Especialització en Tecnologies de la Informació | In Spanish | → Computer science → Telecommunications |
| CAI | Computer-Aided Instruction | In English | → Computer-based techniques → Education |
| CAIT | Computer-Aided Instruction Trainer | In English | → Computer-based techniques → Education |
| CAIT | Computer-Aided Instruction Terminal | In English | → Computer-based techniques → Education |
| CAL | Computer-Aided Logistics | In English | → Computer-based techniques → 00393 |
| CALICO | Computer Assisted Language Instruction Consortium (www.calico.org) | In English | → Organizations and associations → Computer-based techniques → Education → Language, linguistics, literature |
| CALMIT | Center for Advanced Land Management Information Technologies | In French | → Computer science → Agricultural sciences |
| CALS | Computer-Aided Acquisition and Logistics Support | In English | → Computer-based techniques → Maintenance and logistics |
| CALS | Computer-Aided Logistics System | In English | → Maintenance and logistics |
| CAM | Content-Addressable Memory | In English | → Memories |
| CAM | Computer-Aided Manufacturing | In English | → Computer-based techniques |
| CAM | Carte à Mémoire | In French | → Memories |
| CAMEL | Customized Applications for Mobile networks Enhanced Logic | In English | → Networks, communication → Telecommunications |
| CAMP | Computer-Aided Message Processing | In English | → Software |
| CANIS | Community Architectures for Network Information Systems | In English | → Networks, communication |
| CAO | Conception Assistée par Ordinateur | In French | → Computer-based techniques → Engineering, technology |
| CAORC | Council of American Overseas Research Centers | In English | → Research policy → Organizations and associations |
| CAP | Computer Application Program | In English | → Software |
| CAPE | Coordonnateur des Améliorations des Processus d’Entreprise | In French | → Management |
| CAPP | Computer-Aided Process Planning | In English | → Management → Computer-based techniques |
| CAPRN | Canada-Asia-Pacific Research Network | In English | → Research policy → 96 |
| CAPS | Compilation, Architectures Parallèles et Systèmes | In French | → Research institutes → Computer science |
| CAPTCHA | Completely Automated Public Turing Test to Tell Computers and Humans Apart | In English | → Artificial intelligence |
| CARETAKER | Content Analysis and REtrieval Technologies to Apply Knowledge Extraction to massive Recording | In English | → Computer-based techniques → Knowledge management |
| CARI | Central Asia Research Initiative | In English | → Research policy |
| CARIMET | Caribbean Metrology Cooperation = CARIMET | Coopération Caribéenne de Métrologie | In French = CARIMET | Cooperação Caribenha de Metrologia | In Portuguese |
In English | → International relations → Standardization |
| CARIMET | Cooperação Caribenha de Metrologia = (look above) |
In Portuguese | → International relations → Standardization |
| CARIMET | Coopération Caribéenne de Métrologie = (look above) |
In French | → International relations → Standardization |
| CARN | Central Asia Research Network | In English | → Research policy |
| CARRE | Central Asia Research and Remediation Exchange | In English | → Research policy |
| CAS | Content Addressed Storage | In English | → Hardware → Knowledge management |
| CAS | Common Access System | In English | → Computer science |
| CASB | Cost Accounting Standards Board | In English | → Standardization → Prices → Accounting |
| CASE | Computer-Aided System Engineering | In English | → Computer-based techniques → Engineering, technology |
| CASE | Computer-Automated Software Engineering | In English | → Software |
| CASE | Computer Aided Software Engineering | In English | → Software → Computer-based techniques |
| CASE | Conformity Assessment Systems Evaluation | In English | → Quality management |
| CASIMIR | Centre d'Appui et Simulation des Industries par les Moyens de l'Innovation et de la Recherche | In French | → Research policy → Engineering, technology |
| CASOS | Computational Analysis of Social and Organizational Systems | In English | → Computer science → Social sciences |
| CATIA | Conception Assistée Tri-dimensionnelle InterActive | In French | → Computer-based techniques → Engineering, technology |
| CAUCE | Coalition Against Unsolicited Commercial Email | In English | → Organizations and associations → Networks, communication → Telecommunications |
| CBEMA | Computer and Business Equipment Manufacturers Association | In English | → Associations → Hardware |
| CBM | Commodore Business Machines | In English | → Hardware |
| CBR | Computers and Biomedical Research | In English | → Serial publications, periodicals → Computer science → Biological sciences → Medicine |
| CCbdx | Collectif des Câblés de Bordeaux | In French | → Networks, communication → Organizations and associations |
| CCC | Central Computer Complex | In English | → Computer science |
| CCC | Computer Checkout Console | In English | → Hardware |
| CCC | Coordinate Conversion Computer | In English | → Hardware |
| CCCPA | Chicago Chinese Computing Professional Association | In English | → Associations → Computer science |
| CCD | Central Command Decoder | In English | → Computer science |
| CCE | Computer Command Engineer | In English | → Computer science |
| CCF | Central Computer Facility | In English | → Computer science |
| CCIM | Command Computer Input Multiplexer | In English | → Computer science |
| CCITT | Certification for IT&T | In English | → Networks, communication → Telecommunications |
| CCM | Comment Ça Marche (www.commentcamarche.net) | In French | → Networks, communication → Computer science |
| CCNP | Cisco Certified Network Professional | In English | → Education → Computer science |
| CCP | Computer Control Panel | In English | → Computer science |
| CCR | Centre Commun de Recherche | In French | → Research policy → Mathematics and natural sciences → Applied sciences, technology |
| CCRRDT | Comité Consultatif Régional pour la Recherche et le Développement Technologique | In French | → Organizations and associations → Research policy → Engineering, technology |
| CCS | Computer Core Segment | In English | → Hardware |
| CCS | Central Computer and Sequencer | In English | → Computer science |
| CCSI | Comité de Coordinación de los Sistemas de Información = ISCC | Information Systems Coordination Committee | In English = CCSI | Comité de Coordination des Systèmes d'Information | In French = CCSI | Comitê de Coordenação de Sistemas de Informação | In Portuguese |
In Spanish | → Knowledge management → United Nations |
| CCSI | Comitê de Coordenação de Sistemas de Informação = ISCC (look above) |
In Portuguese | → Knowledge management → United Nations |
| CCSI | Comité de Coordination des Systèmes d'Information = ISCC (look above) |
In French | → Knowledge management → United Nations |
| CCSTI | Centre de Culture Scientifique, Technique et Industrielle | In French | → Civilization, culture, progress → Mathematics and natural sciences → Engineering, technology |
| CCT | Computer-Compatible Tape | In English | → Computer science |
| ccTLD | Country code Top Level Domain | In English | → Networks, communication → Telecommunications |
| CCW | Computer Center Werner | In English | → Computer science |
| CDARA | Conception, Décision, Adaptation du Réseau aux Attentes | In French | → Quality management → Electrical engineering |
| CDB | Computer Data Bus | In English | → Hardware → Data |
| CDB | Command Data Base | In English | → Data |
| CDB | Central Data Buffer | In English | → Data |
| CDBFR | Common Data Buffer | In English | → Data |
| CDC | Command and Data Handling Console | In English | → Computer science |
| CDC | Computer Development Center | In English | → Research institutes → Computer science |
| CDC | Control Data Corporation | In English | → Computer science |
| CDC | Connected Device Configuration | In English | → Computer science |
| CDD | Common Data Dictionary | In English | → Data |
| CDE | Collaborative Development Environment | In English | → Software |
| CDF | Compound Document Format | In English | → Data |
| CDF | Central Data Facility | In English | → Data |
| CDF | Combined Data File | In English | → Data |
| CDLC | Connected Limited Device Configuration | In English | → Software |
| CDLI | Cuneiform Digital Library Initiative | In English | → Writing systems → Libraries → Language, linguistics, literature |
| CDP | Computer Data Processing | In English | → Data |
| CDP | Command Data Processor | In English | → Data |
| CDP | Computational Data Processing | In English | → Data |
| CDS | Computer Design and Simulation | In English | → Computer-based techniques |
| CDSL | Computer Data System Laboratory | In English | → Research institutes → Data |
| CDT | Configuration Data Table | In English | → Data |
| CDTD | CAD Drafting & Tool Design Technology | In English | → Computer-based techniques |
| CDU | Coupling Display Unit | In English | → Human-computer interaction |
| CDU | Coupling Data Unit | In English | → Data |
| CDU | Computer Display Unit | In English | → Human-computer interaction |
| CDU | Centre de Documentation de l'Urbanisme (www.cdu.urbanisme.equipement.gouv.fr) | In French | → 002 → Regional planning → Architecture |
| CDW | Command Data Word | In English | → Data |
| CE | Comité Exécutif | In French | → Management |
| CEA | Computer Engineering Associates | In English | → Computer science |
| CEDIA | Consorcio Ecuatoriano para el Desarrollo de Internet Avanzado | In Spanish | → Internet → Organizations and associations → Telecommunications |
| CEE | Computers and Electrical Engineering | In English | → Serial publications, periodicals → Computer science → Electrical engineering |
| CEEMAN | Central and Eastern European Management Development Associations | In English | → Associations → Management |
| CEESI | Centre d'Études et d'Expérimentation des Systèmes d'Information | In French | → Computer science |
| CEG | Cognitive Ergonomics Group | In English | → Organizations and associations → Human-computer interaction |
| CEG | Calligraphy Education Group | In English | → Writing systems → Education → Language, linguistics, literature |
| CEGETI | Centre Électronique de Gestion, d'Études et de Traitement de l'Information | In French | → Document processing → Libraries |
| CEIT | Crew Equipment Interface Test | In English | → Human-computer interaction |
| CEN | Comité Européen de Normalisation | In French | → Standardization |
| CENELEC | Comité Européen de Normalisation Électrotechnique | In French | → Standardization → Electrical engineering |
| CENTAL | Centre de traitement automatique du langage | In French | → Computer-based techniques → Language, linguistics, literature |
| CENTIC | Centro de Tecnologías de Información y Comunicación (www.centic.es) | In Spanish | → Computer science → Telecommunications |
| CEO | Chief Executive Officer | In English | → Management |
| CEP | Calcolatrice Elettronica Pisana | In Italian | → Computer science → Electronics |
| CEPCIECC | Comisión Ejecutiva Permanente del Consejo Interamericano para la Educación, la Ciencia y la Cultura | In Spanish | → International relations → Education → Mathematics and natural sciences → Civilization, culture, progress |
| CERC3 | Chairmen of the European Research Councils' Chemistry Committees | In English | → Organizations and associations → Research policy |
| CEREG | CEntre de REcherches sur la Gestion (www.dauphine.fr/cereg/) | In French | → Management |
| CERFACS | Centre de Recherche et de Formation avancée en Calcul Scientifique | In French | → Computer science → Mathematics |
| CERIF | Common European Research Information Format | In English | → Research policy → Knowledge management |
| CERMICS | Centre d'Enseignement et de Recherche en Mathématiques, Informatique et Calcul Scientifique | In French | → Computer science → Higher education, universities → Mathematics |
| CERTH | Centre for Research and Technology Hellas | In English | → Research policy → Engineering, technology |
| CERV | Centre Européen de Réalité Virtuelle | In French | → Image processing |
| CES | Consumer Electronics Show | In English | → Computer science → Electronics |