

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| ABNT | Associação Brasileira de Normas Técnicas (www.abnt.org.br) | In Portuguese | → Associations → Brazil | 
| AENOR | Asociación Española de Normalización y Certificación | In Spanish | → Associations → Quality management → Spain | 
| AFNOR | Association Française de Normalisation (www.afnor.org) | In French | → Associations → France | 
| AFS | Air Force Standard | In English | → Military affairs → Military engineering → Aeronautics, aircraft → United States | 
| AMN | Asociación MERCOSUR para la Normalización | In Spanish | → Associations | 
| ANAB | ANSI-ASQ National Accreditation Board | In English | → Organizations and associations | 
| ANC | Autorité des Normes Comptables | In French | → Accounting | 
| ANSI | American National Standards Institute (www.ansi.org) | In English | → Organizations and associations → United States | 
| APLMF | Asia-Pacific Legal Metrology Forum | In English | |
| ARATEM | Agence Rhône-Alpes pour la Maîtrise des Technologies de Mesure | In French | → Organizations and associations | 
| ASA | American Standards Association | In English | → Associations → United States | 
| ASCII | American Standard Code for Information Interchange | In English | → Data → United States | 
| ASG | Aeronautical Standards Group | In English | → Aeronautics, aircraft | 
| ASME | American Standards for Mechanical Engineering | In English | → Mechanical engineering → United States | 
| ASRO | Asociaţia de Standardizare din România (https://www.asro.ro) | In Romanian | → Associations → Romania | 
| AST | Atlantic Standard Time | In English | → Horology | 
| ATCG | Association Technique pour la Certification des Granulats | In French | → Associations → Civil engineering → Construction | 
| ATIS | Alliance for Telecommunications Industry Solutions (www.atis.org) | In English | → Organizations and associations → Telecommunications | 
| AZS | Azərbaycan Respublikasının Standartlaşdırma, Metrologiya və Patent üzrə Dövlət Agentliyi | In Azerbaijani | |
| BEAB | British Electrotechnical Approvals Board | In English | → Organizations and associations → Mechanical engineering → Electrical engineering → United Kingdom | 
| BEC | British Electrotechnical Committee | In English | → Organizations and associations → Mechanical engineering → Electrical engineering → United Kingdom | 
| BEC | Belgisch Elektrotechnisch Comité = CEB | Comité Électrotechnique Belge | In English | In Dutch | → Electrical engineering → Belgium | 
| BIML | Bureau International de Métrologie Légale | In French | |
| BIN | Belgisch Instituut voor Normalisatie (www.ibn.be) = IBN | Institut Belge de Normalisation | In French | In Dutch | → Belgium | 
| BIPM | Bureau International des Poids et Mesures (www.bipm.org) = BIPM | Bureau Internacional de Pesos e Medidas | In Portuguese = IBMG | Internationales Büro für Maß und Gewicht | In German = BIPM | Buroo Internacia pri Pezoj kaj Mezuroj | In Esperanto | In French | |
| BIPM | Bureau Internacional de Pesos e Medidas (www.bipm.org) = IBMG (look above) | In Portuguese | |
| BIPM | Buroo Internacia pri Pezoj kaj Mezuroj (www.bipm.org) = IBMG (look above) | In Esperanto | |
| BIS | Bureau of Indian Standards (http://bis.org.in) | In English | → India | 
| BISFA | Bureau International pour la Standardisation des Fibres Artificielles | In French | → Textile industry | 
| BNAE | Bureau de Normalisation de l'Aéronautique et de l'Espace (www.bnae.asso.fr) | In French | → Aeronautics, aircraft → Astronautics → France | 
| BNCM | Bureau de Normalisation du Cinéma et de la Vidéo | In French | → Cinema, movies | 
| BNIB | Bureau de Normalisation de l'Industrie du Béton | In French | → Civil engineering → Construction | 
| BNIP | Bureau de Normalisation de l'Industrie Papetière | In French | → Paper and board industry | 
| BNLH | Bureau de Normalisation des Liants Hydrauliques | In French | → Civil engineering → Construction | 
| BNSI | Barbados National Standards Institution | In English | |
| BNTB | Bureau de Normalisation des Techniques du Bâtiment (http://bntbweb.cstb.fr) | In French | → Construction → France | 
| BNTEC | Bureau de Normalisation des Techniques et des Équipements de la Construction | In French | → Civil engineering → Construction | 
| BOBS | Botswana Bureau of Standards | In English | |
| BOCA | Building Officials Code Administrators International | In English | → Construction | 
| BP | Before Present | In English | → Horology → Prehistory → History | 
| BPS | Bureau of Product Standards | In English | |
| BRML | Biroul Român de Metrologie Legală | In Romanian | |
| BRS | Business Requirement Specifications | In English | → Economics | 
| BS | British Standards (https://www.bsigroup.com) | In English | → United Kingdom | 
| BSI | British Standards Institution (https://www.bsigroup.com) | In English | → Organizations and associations → United Kingdom | 
| BSMD | Bahrain Standards & Metrology Directorate | In English | |
| BSN | Badan Standardisasi Nasional | In Indonesian | |
| BSTI | Bangladesh Standards and Testing Institution | In English | |
| BVN | Byggebransjens Våtromsnorm | In Norwegian | |
| CARIMET | Caribbean Metrology Cooperation = CARIMET | Coopération Caribéenne de Métrologie | In French = CARIMET | Cooperação Caribenha de Metrologia | In Portuguese | In English | → International relations | 
| CARIMET | Coopération Caribéenne de Métrologie = (look above) | In French | → International relations | 
| CARIMET | Cooperação Caribenha de Metrologia = (look above) | In Portuguese | → International relations | 
| CASB | Cost Accounting Standards Board | In English | → Organizations and associations → Accounting → Prices | 
| CCW | Counterclockwise | In English | → Horology | 
| CEB | Comité Électrotechnique Belge = BEC (look above) | In English | → Electrical engineering → Belgium | 
| CEN | Comité Européen de Normalisation | In French | |
| CENELEC | Comité Européen de Normalisation Électrotechnique (www.cenelec.eu) | In French | → Electrical engineering → Europe | 
| CERP | Comité Européen de Réglementation Postale | In French | → Organizations and associations → Postal services → Europe | 
| CESA | Canadian Engineering Standards Association | In English | → Associations → Engineering, technology → Canada | 
| CGPM | Conférence Générale des Poids et Mesures | In French | |
| CIPM | Comité International des Poids et Mesures = CIPM | Comitê International des Pesos e Medidas | In Portuguese | In French | |
| CIPM | Comitê International des Pesos e Medidas = (look above) | In Portuguese | |
| CIUMR | Comisión Internacional de Unidades y Medidas Radiológicas = ICRU | International Commission on Radiation Units and Measurements | In English = CIUMR | Commission Internationale des Unités et des Mesures de Radiation | In French = CIUMR | Comissão Internacional de Unidades e Medidas Radiação | In Portuguese | In Spanish | → Nuclear technology | 
| CIUMR | Commission Internationale des Unités et des Mesures de Radiation = ICRU (look above) | In French | → Nuclear technology | 
| CIUMR | Comissão Internacional de Unidades e Medidas Radiação = ICRU (look above) | In Portuguese | → Nuclear technology | 
| CNAE | Comité Nord-Américain d'Étalonnage | In French | |
| ČNI | Český Normalizační Institut (www.cni.cz) | In Czech | → Czech Republic | 
| CODINORM | Côte d'Ivoire Normalisation | In French | |
| COFRAC | Comité Français d'Accréditation | In French | → Quality management → France | 
| COPANIT | Comisión Panameña de Normas Industriales y Técnicas | In Spanish | |
| COPANT | Comisión Panamericana de Normas Técnicas | In Spanish | → Organizations and associations | 
| COSQC | Central Organization for Standardization and Quality Control | In English | |
| CRC | Comité de la Réglementation Comptable | In French | → Accounting | 
| CROSQ | CARICOM Regional Organisation for Standards and Quality (www.crosq.org) | In English | → International economic cooperation → Quality management | 
| CSBTS | China State Bureau of Quality and Technical Supervision | In English | → Central administration → Quality management → China | 
| CSK | Committee for Standardization of the Democratic People's Republic of Korea | In English | |
| ČSN | Českých Technických Norem | In Czech | → Czech Republic | 
| CST | Central Standard Time | In English | |
| ČSTN | Česká společnost pro technickou normalizaci | In Czech | → Czech Republic | 
| CSTP | California Standards for the Teaching Profession | In English | → Education → United States | 
| CYS | Cyprus Organization of Standardisation | In English | |
| DGN | Dirección General de Normas | In Spanish | |
| DGSM | Directorate General for Specifications and Measurements | In English | |
| DIN | Deutsches Institut für Normung (www.din.de) | In German | → Germany | 
| DIS | Draft International Standard | In English | |
| DISP | Draft International Standardized Profile | In English | |
| DOA | Date of Announcement | In English | → Horology | 
| DODISS | Department of Defense Index of Specifications and Standards | In English | → Military affairs | 
| DOP | Date of Publication | In English | → Horology | 
| DOR | Date of Ratification | In English | → Horology | 
| DOW | Date of Withdrawal | In English | → Horology | 
| DPS | Drejtoria e Pėrgjithshme e Standardizimit | In Albanian | |
| DS | Dansk Standard | In Danish | → Denmark | 
| DSSU | State Committee of Ukraine on Technical Regulation and Consumer Policy | In English | → Central administration → Consumerism | 
| EA | European Cooperation for Accreditation | In English | → International relations | 
| ECBS | European Committee for Banking Standards (www.ecbs.org) | In English | → Banks → Europe | 
| ECSS | European Cooperation for Space Standardization | In English | → Astronomy → Astronautics | 
| EMLMF | Euro-Mediterranean Legal Metrology Forum | In English | |
| ENEC | European Norms Electrical Certification | In English | → Electrical engineering | 
| EOS | Egyptian Organization for Standardization and Quality Control (www.eos.org.eg) | In English | → Organizations and associations → Quality management → Egypt | 
| EOS | Egyptian Organization for Standardization and Quality (www.eos.org.eg) | In English | → Organizations and associations → Quality management → Egypt | 
| EOTA | European Organisation for Technical Approvals | In English | |
| EOTA | European Organization for Technical Approvals | In English | |
| EOTC | European Organization for Testing and Certification | In English | → Organizations and associations | 
| ES | European Specification | In English | |
| ESONE | Committee for European Studies on Norms for Electronics | In English | → Organizations and associations → Electronics | 
| EST | Eastern Standard Time | In English | |
| ETC | European Technical Codes | In English | → Engineering, technology | 
| ETCOM | European Testing Consortium for Office and Manufacturing | In English | → Quality management | 
| ETS | European Telecommunications Standard | In English | → Telecommunications | 
| ETSI | European Telecommunications Standards Institute | In English | → Telecommunications → European Union | 
| EVS | Eesti Standardikeskus (www.evs.ee) | In Estonian | → Estonia | 
| FDIS | Final Draft International Standard | In English | |
| FIPS | Federal Information Processing Standard | In English | → Computer-based techniques | 
| FONDONORMA | Fondo para la Normalización y Certificación de Calidad | In Spanish | |
| FTSQCO | Fiji Trade Standards and Quality Control Office | In English | |
| GHA | Greenwich Hour Angle | In English | |
| GMT | Greenwich Mean Time | In English | |
| GSB | Ghana Standards Board | In English | |
| GSDS | Goldstone Duplicate Standard | In English | |
| HD | Harmonizačných Dokumentov | In Slovak | |
| HD | Harmonization Document | In English | |
| IACS | International Annealed Copper Standard | In English | → Electrical engineering | 
| IANOR | Institut algérien de normalisation (www.ianor.org) | In French | → Algeria | 
| IAS | International Accounting Standards | In English | → Accounting | 
| IASB | International Accounting Standards Board | In English | → Organizations and associations → Accounting | 
| IASCF | International Accounting Standards Committee Foundation | In English | → Foundations → Accounting | 
| IBC | International Building Code | In English | → Construction | 
| IBMG | Internationales Büro für Maß und Gewicht (www.bipm.org) = BIPM (look above) | In German | |
| IBN | Institut Belge de Normalisation (www.ibn.be) = BIN (look above) | In French | → Belgium | 
| ICONTEC | Instituto Colombiano de Normas Técnicas y Certificación (www.icontec.org.co) | In Spanish | |
| ICOS | Integrated Communications Organizing Standard | In English | → Telecommunications | 
| ICRU | International Commission on Radiation Units and Measurements = CIUMR (look above) | In English | → Nuclear technology | 
| ICS | International Classification for Standards | In English | |
| IETS | Interim European Telecommunications Standard | In English | → Telecommunications | 
| IFAN | International Federation of Standards Users | In English | → Organizations and associations | 
| IIOC | Independent International Organisation for Certification | In English | → Organizations and associations → Quality management | 
| ILAC | International Laboratory Accreditation Conference | In English | → Quality management | 
| INCITS | International Committee for Information Technology Standards | In English | → Computer science → Telecommunications | 
| INEN | Instituto Ecuatoriano de Normalización | In Spanish | |
| INM | Institutul Naţional de Metrologie | In Romanian | |
| INN | Instituto Nacional de Normalización (www.inn.cl) | In Spanish | |
| INNORPI | Institut National de la Normalisation et de la Propriété Industrielle | In French | → Industrial property | 
| INTECO | Instituto de Normas Técnicas de Costa Rica (www.inteco.or.cr) | In Spanish | |
| IOLM | International Organization of Legal Metrology | In English | → Organizations and associations | 
| IPS | International Pipe Standard | In English | |
| IRAM | Instituto Argentino de Racionalización de Materiales (www.iram.com.ar) | In Spanish | → Argentina | 
| IS | International Standard | In English | |
| ISBN | International Standard Book Number | In English | → Libraries | 
| ISCED | International Standard Classification of Education | In English | → Education | 
| ISCO | International Standard Classification of Occupations | In English | → Labour, labour economics | 
| ISIRI | Institute of Standards and Industrial Research of Iran | In English | → Research policy | 
| ISO | International Standardization Organization | In English | → Organizations and associations | 
| ISP | International Standardized Profile | In English | |
| ISSN | International Standard Serial Number | In English | → Bibliography → Libraries | 
| ISSS | Information Society Standardization System | In English | → Computer science → Telecommunications | 
| IST | Íslenkir Staðlar | In English | |
| ITU-T | International Telecommunications Union - Telecommunications Standardization Sector | In English | → Telecommunications | 
| JAR | Joint Aviation Requirements | In English | → Aeronautics, aircraft → Transport by air | 
| JEEC | Joint ECMA (European Computer Manufacturer's Association) ETSI (European Telecommunications Standards Institute) Committee | In English | → Organizations and associations → Computer hardware → Telecommunications | 
| JIS | Japanese Industrial Standard | In English | → Japan | 
| JISC | Japan Industrial Standards Committee (www.jisc.go.jp) | In English | → Industry, industrial policy → Japan | 
| JISM | Jordan Institution for Standards and Metrology = JISM | مؤسسة المواصفات والمقاييس الأردنية | In Arabic | In English | |
| JISM | مؤسسة المواصفات والمقاييس الأردنية = (look above) | In Arabic | |
| JRNBS | Journal of Research of the National Bureau of Standards | In English | → Serial publications, periodicals | 
| JSA | Japanese Standards Association (www.jsa.or.jp) | In English | → Associations → Japan | 
| KATS | Korean Agency for Technology and Standards | In English | |
| KAZMEMST | Комитет по техническому регулированию и метрологии (Министерства индустрии и торговли Республики Казахстан) = KAZMEMST | Committee for technical regulation and metrology (and certification of the Ministry of Industry and Trade of the Republic of Kazakhstan) | In English | In Russian | |
| KAZMEMST | Committee for technical regulation and metrology (and certification of the Ministry of Industry and Trade of the Republic of Kazakhstan) = (look above) | In English | |
| KEBS | Kenya Bureau of Standards | In English | |
| LAME | Laboratoire Africain de Métrologie | In French | → Quality management | 
| LISA | Localization Industry Standards Association (www.lisa.org) | In English | → Associations → Trade → 8023 | 
| LNCSM | Libyan National Centre for Standardization and Metrology | In English | |
| LST | Lithuanian Standards Board | In English | |
| LST | Local Standard Time | In English | |
| LVS | Latvijas Standarts (www.lvs.lv) | In Latvian | |
| MASM | Mongolian Agency for Standardization and Metrology | In English | |
| MILSTD | Military Standard | In English | → Military engineering | 
| MSA | Malta Standards Authority (www.msa.org.mt) | In English | → Organizations and associations → Malta | 
| MSCL | Measurement Standards and Calibration Laboratory | In English | → Research institutes | 
| MSG | Mobile Standards Group | In English | → Telecommunications | 
| MSIS | Man-Systems Integration Standards | In English | → Human-computer interaction | 
| MSS | Manufacturers' Standardization Society | In English | → Organizations and associations → Engineering, technology | 
| MST | Mountain Standard Time | In English | |
| NAS | National Aircraft Standard | In English | → Aeronautics, aircraft | 
| NAVp | Normenausschuss Verpackungswesen | In German | |
| NBS | National Bureau of Standards | In English | |
| NBSAMRF | National Bureau of Standards, Advanced Research Facility | In English | → Research policy | 
| NBSSP | National Bureau of Standards Special Publication | In English | → Serial publications, periodicals | 
| NBSTN | National Bureau of Standards Technical Note | In English | → Serial publications, periodicals | 
| NCB | National Certification Body | In English | → Organizations and associations | 
| NEM | Normes Européennes de Modélisme (ferroviaire) | In French | → Entertainment → Rail transport engineering → Europe | 
| NEP | Norme d'Exercice Professionnel | In French | |
| NET | Norme Européenne de Télécommunication(s) | In English | → Telecommunications | 
| NF | Norme Française (www.marque-nf.com) | In French | → France | 
| NIST | National Institute for Standardization and Technology (www.nist.gov) | In English | → Engineering, technology | 
| NIST | National Institute of Standards and Technology (www.nist.gov) | In English | → Engineering, technology | 
| NISTJ | National Institute of Standards and Technology Journal of Research | In English | → Serial publications, periodicals → Engineering, technology | 
| NNI | Nederlands Normalisatie Instituut | In Dutch | → Netherlands | 
| NNI | Nederlands Normalisatie-Instituut | In Dutch | → Netherlands |