

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| SFR | Société de Forgeage de Rive-de-Gier | In French | → Metallurgy | 
| SFR | Société Falaisienne de Roues | In French | → 629 | 
| SFR | Société Française de Restauration | In French | |
| SFR | Société Française de Repoussage | In French | → Mechanical engineering | 
| SFRJ | Socijalistička Federativna Republika Jugoslavija = СФРЈ | Социјалистичка Федеративна Република Југославија | In Macedonian = SFRY | Socialist Federal Republic of Yugoslavia | In Serbian = RFSY | République Fédérale Socialiste de Yougoslavie | In French = JEFS | Jugoslaviako Errepublika Federal Sozialista | In Basque = RFSY | República Federal Socialista de Yugoslavia | In Spanish = SFRJ | Sozialistische Föderative Republik Jugoslawien | In German = SFRJ | Socialistická federativní republika Jugoslávie | In Czech = RFSI | República Federal Socialista de Iugoslàvia | In Catalan = RSFJ | Repubblica Socialista Federale di Jugoslavia | In Italian = SFRJ | Socjalistyczna Federacyjna Republika Jugosławii | In Polish = RSFJ | República Socialista Federal da Iugoslávia | In Portuguese = RSFI | Republica Socialistă Federativă Iugoslavia | In Romanian = СФРЮ | Социалистическая Федеративная Республика Югославия | In Russian = SFRJ | Socialistična federativna republika Jugoslavija | In Slovenian | In Serbo-Croatian | → Geography → History | 
| SFRJ | Sozialistische Föderative Republik Jugoslawien = СФРЈ, SFRY, RFSY, JEFS, RFSI, RSFJ, RSFI, СФРЮ (look above) | In German | → Geography → History | 
| SFRJ | Socialistická federativní republika Jugoslávie = СФРЈ, SFRY, RFSY, JEFS, RFSI, RSFJ, RSFI, СФРЮ (look above) | In Czech | → Geography → History | 
| SFRJ | Socjalistyczna Federacyjna Republika Jugosławii = СФРЈ, SFRY, RFSY, JEFS, RFSI, RSFJ, RSFI, СФРЮ (look above) | In Polish | → Geography → History | 
| SFRJ | Socialistična federativna republika Jugoslavija = СФРЈ, SFRY, RFSY, JEFS, RFSI, RSFJ, RSFI, СФРЮ (look above) | In Slovenian | → Geography → History | 
| SFRO | Société Française de Radiothérapie Oncologique | In French | → Organizations and associations → Oncology → France | 
| SFRS | Société Française de Restauration et de Services | In French | |
| SFRY | Socialist Federal Republic of Yugoslavia = SFRJ, СФРЈ, RFSY, JEFS, RFSI, RSFJ, RSFI, СФРЮ (look above) | In Serbian | → Geography | 
| SFS | Suomen Standardisoimisliitto | In Finnish | → Standardization → Finland | 
| SFS | Svensk Författningssamling | In Swedish | → Libraries → Sweden | 
| SFS | Shuttle Flight Status | In English | → Astronautics | 
| SFS | Sûreté de Fonctionnement du Système | In French | → Engineering, technology | 
| SFS | Self-certifying File System | In English | → Operating systems | 
| SFSS | Satellite Field Service Station | In English | → Astronautics | 
| SFT | Société Française de Terminologie (www.laterminologie.net) | In French | → Organizations and associations → Language, linguistics, literature → France | 
| SFT | Simulated Flight Test | In English | → Aeronautics, aircraft → Astronautics | 
| SFT | Static Firing Test | In English | |
| SFT | Structural Fatigue Test | In English | → Mechanical engineering | 
| SFT | Society for Theriogenology | In English | → Organizations and associations → Veterinary medicine | 
| SFTA | Structural Fatigue Test Article | In English | → Mechanical engineering | 
| SFTC | Syndicat Français des Théâtres Cinématographiques | In French | → Organizations and associations → Theatre → Cinema, movies → France | 
| SFTF | Static Firing Test Facility | In English | |
| SFTP | Shielded and Foiled Twisted Pair | In English | → Electrical engineering | 
| SFU | Sigmund Freud-Universität (www.sfu.ac.at) | In German | → Higher education, universities → Medicine → Austria | 
| SFU | Sigmund Freud Privatuniversität | In German | → Higher education, universities | 
| SFU | Standard Firing Unit | In English | |
| SFU | Société des Fonderies d'Ussel | In French | → Metallurgy | 
| SFV | Société Française de Vexillologie | In French | → Organizations and associations → Flags, banners → France | 
| SFW | South Florida Workforce | In English | → Labour, labour economics | 
| SFX | Sound Effects | In English | → Entertainment | 
| SG | Scenario Generation | In English | |
| SG | Signal Generator | In English | |
| SG | Surgeon General | In English | → Surgery, orthopaedics, ophthalmology | 
| SG | Secrétariat Général | In French | |
| SG | Services Généraux | In French | |
| SG-SICA | Secretaría General del Sistema de la Integración Centroamericana (www.sgsica.org) | In Spanish | → International relations | 
| SGA | Secrétaire Général d'Administration | In French | → Public administration, government | 
| SGAICO | Swiss Group for Artificial Intelligence and Cognitive Science | In English | → Artificial intelligence | 
| SGAM | Schweizerische Gesellschaft für Allgemeinmedizin | In German | → Organizations and associations → Medicine → Switzerland | 
| SGAM | Société Générale Asset Management | In French | → Finance | 
| SGAR | Secrétariat Général pour les Affaires Régionales | In French | → Regional administration | 
| SGAS | Society for German-American Studies | In English | → Organizations and associations → Area studies → United States | 
| SGASU | Secrétaire Général d'Administration Scolaire et Universitaire | In French | → Public administration, government → Education → Higher education, universities | 
| SGB | Sozialgesetzbuch | In German | → Politics → Law, jurisprudence | 
| SGBB | Société Générale de Banques au Burkina | In French | → Banks | 
| SGBBE | Société générale de Banques au Bénin | In French | → Banks | 
| SGBC | Société générale de Banques au Cameroun | In French | → Banks | 
| SGBCI | Société générale de Banques en Côte d'Ivoire | In French | → Banks | 
| SGBD | Système de Gestion de Base de Données = DBMS | Data Base Management System | In English = SŘBD | Systém řízení báze dat | In Czech = SGBD | Sistema de Gestió de Bases de Dades | In Catalan = SMBD | Sistem Manajemen Basis Data | In Indonesian = SUBP | Sustav za upravljanje bazom podataka | In Croatian = DBKS | Datu-baseak kudeatzeko sistema | In Basque = SGBD | Sistema de gestión de base de datos | In Spanish = DBMS | Datenbankmanagementsystem | In German | In French | → Data | 
| SGBD | Sistema de Gestió de Bases de Dades = DBMS, SŘBD, SMBD, SUBP, DBKS (look above) | In Catalan | → Data | 
| SGBD | Sistema de gestión de base de datos = DBMS, SŘBD, SMBD, SUBP, DBKS (look above) | In Spanish | → Data | 
| SGBDRO | Système de Gestion de Base de Données Relationnelle et Objet | In French | → Data | 
| SGBG | Société Générale de Banques en Guinée | In French | → Banks | 
| SGBS | Société générale de Banques au Sénégal | In French | → Banks | 
| SGC | Server Gated Cryptography | In English | → Internet → Mathematics | 
| SGC | Système de Gestion de Contenu(s) = CMS | Content Management System | In English | In French | → Document processing → Knowledge management | 
| SGC | Stabilized Ground Cloud | In English | → Meteorology, climatology → Astronautics | 
| SGD | Saccharomyces Genome Database (www.yeastgenome.org) | In English | → Biotechnology → Genetics | 
| SGDG | Sans garantie du gouvernement | In French | → Industrial property | 
| SGDN | Secrétariat Général de la Défense Nationale | In French | → Military affairs | 
| SGDSN | Secrétariat Général de la Défense et de la Sécurité Nationale | In French | → Military affairs | 
| SGDT | Système de Gestion de Données Techniques | In French | → Data → Knowledge management | 
| SGE | Système de Gestion des Échanges | In French | → Software | 
| SGE | Sun Grid Engine | In English | → Software → Networks, communication | 
| SGEMP | Space-Generated Electromagnetic Pulse | In English | → Astronomy | 
| SGEMP | System-Generated Electromagnetic Pulse | In English | |
| SGEN | Syndicat Général de l'Éducation Nationale | In French | → Organizations and associations → Labour, labour economics → Education | 
| SGeo | Surveys in Geophysics | In English | → Serial publications, periodicals → Geophysics | 
| SGEPES | Secrétaire Général d'Établissement Public de l'Enseignement Supérieur | In French | → Higher education, universities | 
| SGFF | Schweizerische Gesellschaft für Fahnen- und Flaggenkunde (www.vexilla.ch) = SSV | Société Suisse de Vexillologie | In French = SSV | Società Svizzera di Vessillologia | In Italian | In German | → Organizations and associations → Flags, banners → Switzerland | 
| SGFS | Special Group on Functional Standardization | In English | |
| SGHWR | Steam Generating Heavy Water Reactor | In English | → Nuclear technology | 
| SGI | Società Geologica Italiana | In Italian | → Organizations and associations → Earth sciences → Italia | 
| SGILWH | Study Group on International Labor and Working-Class History | In English | → Labour, labour economics → 93032 | 
| SGITS | Spacecraft/GOSS Interface Test System | In English | → Astronautics | 
| SGKK | Salzburger Gebietskrankenkasse (www.sgkk.at) | In German | → Insurance → Austria | 
| SGLI | Servicemen's Group Life Insurance | In English | → Insurance | 
| SGLS | Space-Ground Link Station | In English | → Astronautics → Telecommunications | 
| SGLS | Space-Ground Link System | In English | → Astronautics → Telecommunications | 
| SGMC | Service Général de Médecine de Contrôle | In French | → Medicine | 
| SGML | Standard Generalized Markup Language | In English | → Programming languages → Data → Document processing | 
| SGMT | Simulated Greenwich Mean Time | In English | → Standardization | 
| SGO | Sportvereniging Grolloo en Omstreken | In Dutch | → Organizations and associations → Sport, physical exercises | 
| SGORS | Studies in Geophysical Optics and Remote Sensing | In English | → Serial publications, periodicals → Geophysics → Geodesy, cartography | 
| SGOS | Shuttle Ground Operations Simulator | In English | → Astronautics | 
| SGP | Single Ground Point | In English | |
| SGP | Static Ground Point | In English | |
| SGP | Structure Ground Point | In English | |
| SGP | Staatkundig Gereformeerde Partij (www.sgp.nl) | In Dutch | → Political parties and movements → Netherlands | 
| SGP-RE | Salinity Gradient Power by Reverse Electrodialysis | In English | → Environmental technology, water supply, waste management | 
| SGPT | Serum Glutamic Pyruvic Transaminase | In English | → Enzymes | 
| SGR | Saint-Gobain Recherche | In French | → Materials science | 
| SGRL | South Georgia Regional Library (www.sgrl.org) | In English | → Libraries → United States | 
| SGS | Schweizerische Gesellschaft für Soziologie | In German | → Organizations and associations → Sociology → Switzerland | 
| SGS | Symbol Generator and Storage | In English | |
| SGSC | Strain Gauge Signal Conditioner | In English | |
| SGSM | Schweizerische Gesellschaft für Sportmedizin (http://sgsm-ssms.ch) = SSMS | Société Suisse de Médecine du Sport | In French | In German | → Organizations and associations → Medicine → Sport, physical exercises → Switzerland | 
| SGSN | Serving GPRS Support Node | In English | → Telecommunications | 
| SGT | Syndrome Gilles de la Tourette | In French | → Neurology | 
| SGTIF | Syndicat Général des Travailleurs de l'Industrie du Film (http://sgtif.fnsac-cgt.com) | In French | → Organizations and associations → Labour, labour economics → Cinema, movies | 
| SGV | Schildwolder Gymnastiek Vereniging | In Dutch | → Organizations and associations → Sport, physical exercises | 
| SGX | Singapore Exchange | In English | → Financial markets | 
| SGX | Structural GenomiX | In English | → Biotechnology | 
| SGX | Service Général des Rayons X | In French | → Nuclear, atomic, and molecular physics | 
| SGZP | Schweizerische Gesellschaft für zerstörungsfreie Prüfung (www.sgzp.ch) | In German | → Organizations and associations → Engineering, technology → Switzerland | 
| SH | Sacred Heart Congregation | In English | → Roman catholic church | 
| SH | Surface habitable | In French | → Accommodation | 
| SH | Slechthorend | In Dutch | → Medicine | 
| SHA | Secure Hash Algorithm | In English | → Computer science → Algorithms | 
| SHA | Southern Historical Association | In English | → Associations → History | 
| SHA | Sidereal Hour Angle | In English | → Astronomy | 
| SHA | System Hazard Analysis | In English | |
| SHA | Solution Hydro-Alcoolique | In French | → Pharmacology, toxicology | 
| SHAD | Stellar Horizon Atmospheric Dispersion | In English | → Astronomy → Meteorology, climatology | 
| SHAD | Stellar Horizon Attitude Determination | In English | → Astronomy | 
| SHAFR | Society for Historians of American Foreign Relations (www.shafr.org) | In English | → Organizations and associations → History → International relations → United States | 
| SHAG | Simplified High-Accuracy Guidance | In English | |
| SHAM | Sliced Hold-and-Modify | In English | → Computer hardware → Graphical processing | 
| SHAPE | Supreme Headquarters Allied Powers Europe | In English | |
| SHAPE | Screening for Heart Attack Prevention and Education | In English | → Cardiology | 
| SHAPS | School of Hawaiian, Asian and Pacific Studies | In English | → Education → Area studies | 
| SHAR | Stellar Horizon Atmospheric Refraction | In English | → Astronomy | 
| SHARE | Space Station Heat Pipe Advanced Radiator Element | In English | |
| SHARE | Survey of Health, Ageing and Retirement in Europe | In English | → Social welfare → Medicine | 
| SHARP | Society for the History of Authorship, Reading, and Publishing | In English | → Organizations and associations → Artistic property → Graphic industries, printing, publishing → History | 
| SHB | Stranka Hrvatskih Branitelja | In Croatian | → Political parties and movements | 
| SHC | Société Historique du Canada = CHA | Canadian Historical Association | In English | In French | → Organizations and associations → History → Canada | 
| SHCS | Society for Hindu-Christian Studies | In English | → Organizations and associations → Indian religions → Christianity | 
| SHD | Society for the History of Discoveries | In English | → Organizations and associations → History | 
| SHDV | Schleswig-Holsteiner Dartverband | In German | → Organizations and associations → Sport, physical exercises | 
| SHE | Society for History Education | In English | → Organizations and associations → Education → History | 
| SHE | Sportclub Hall Empe | In Dutch | → Organizations and associations → Sport, physical exercises | 
| SHEAR | Society for Historians of the Early American Republic (www.shear.org) | In English | → Organizations and associations → History → United States | 
| SHEM | Société Hydroélectrique du Midi | In French | → Energy economics → Electrical engineering | 
| SHEMA | Société Hydraulique d'Études et de Missions d'Assistance | In French | → Energy economics | 
| SHEP | Surveys in High Energy Physics | In English | → Serial publications, periodicals → Nuclear, atomic, and molecular physics | 
| SHERB | Sandia Human Error Rate Bank | In English | |
| SHFG | Society for History in the Federal Government | In English | → Organizations and associations → Central administration → History | 
| SHGAPE | Society for Historians of the Gilded Age and Progressive Era | In English | → Organizations and associations → History | 
| SHH | Sonic Hedhehog | In English | → Proteins | 
| Shh | Sonic Hedgehog | In English | → Biological sciences | 
| SHH | Sint Hadrianus Herten | In Dutch | → Organizations and associations → Sport, physical exercises | 
| SHIMS | System Hazard Information Management System | In English | |
| SHIP | Systems Health Information Portal | In English | → Medicine | 
| SHIVA | Simulated Highways for Intelligent Vehicle Algorithms | In English | → Computer simulation → Algorithms → Transport and postal services | 
| SHLB | Simulation Hardware Load Box | In English | → Computer hardware → Computer simulation | 
| SHM | Social History of Medicine | In English | → Social sciences → Medicine → History | 
| SHM | Society of Helpers of Mary | In English | → Roman catholic church | 
| SHM | Stage Handling Manual | In English | |
| SHMPS | Sources in the History of Mathematics and Physical Sciences | In English | → Serial publications, periodicals → Mathematics → Physics → History | 
| SHO | Steeds Hooger Oud Beijerland | In Dutch | → Organizations and associations → Sport, physical exercises | 
| SHOB | Surface Hors Oeuvre Brute | In French | → Accommodation | 
| SHOE | Simple Hypertext Ontology Extensions | In English | → Networks, communication → Linguistics | 
| SHOE | Simple HTML Ontology Extensions | In English | → Data → Internet → Semiotics | 
| SHON | Surface Hors Oeuvre Nette | In French | → Accommodation | 
| SHOOT | Super Helium On-Orbit Transfer | In English | |
| SHORAN | Short-Range Navigation | In English | |
| SHOT | Society for the History of Technology | In English | → Organizations and associations → Engineering, technology → History | 
| SHP | Shaft Horsepower | In English | → Mechanical engineering | 
| SHP | Sustainer Hydraulic Pressure | In English | |
| SHRD | Supplemental Heat Rejection Device | In English | |
| shRNA | Short hairpin Ribonucleic Acid | In English | → Genetics → Biochemistry, biophysics | 
| SHS | Sciences Humaines et Sociales | In French | → Social sciences | 
| SHS | Sporvejshistorisk Selskab | In Swedish | → Organizations and associations → Civil engineering and land transport | 
| SHS | Simulation Hardware System | In English | → Computer hardware → Computer simulation | 
| SHS | Societas Heraldica Slovenica (www.heraldica.si) | In Latin | → Organizations and associations → Flags, banners | 
| SHS | Scheveningen Holland Sport | In Dutch | → Organizations and associations → Sport, physical exercises → Netherlands | 
| SHS | Shape From Shading | In English | → Computer-based techniques | 
| SHSP | Sisters of the Holy Spirit | In English | → Roman catholic church | 
| SHT | Schädel-Hirn-Trauma | In German | → Traumatology | 
| SHU | Syndrome Hémolytique et Urémique = HUS | Hemolytic Uremic Syndrome | In English = SUH | Síndrome Urémico Hemolítico | In Spanish = HUS | Hämolytisch-urämisches Syndrom | In German = HUS | Hemolytisk uremisk syndrom | In Nynorsk = HUS | Hemolytisk-uremisk syndrom | In Norwegian = ХУС | Хемолитички уремијски синдром | In Serbian = HÜS | Hemolitik üremik sendrom | In Turkish | In French | → Blood and circulatory system → Pathology | 
| SHUa | Syndrome Hémolytique Urémique atypique | In French | → Pathology | 
| SHUS | Savez Hrvatskih Umirovljenika i Seniora | In Croatian | → Political parties and movements | 
| ShWav | Shock Waves | In English | → Serial publications, periodicals → Acoustics | 
| SI | Studia Islamica | In Latin | → Islam | 
| SI | Soins Intensifs | In French | → Traumatology | 
| SI | Système International | In French | → Standardization | 
| SI | Sports Illustrated | In English | → Newspapers, journalism → Sport, physical exercises | 
| SI | Sveriges Industriförbund | In Swedish | → Organizations and associations → Industry, industrial policy → Sweden | 
| SI | Secondary Infertility | In English | → Reproductive biology | 
| SI | Scientific Instrument | In English | |
| SI | Shuttle Integration | In English | → Astronautics | 
| SI | System Integration | In English | |
| SI | Sistema d'Informació = ИС | Информационная система | In Russian = IS | Informační systém | In Czech = IS | Information System | In English = SI | Système d'Information | In French = SI | Sistem Informasi | In Indonesian = IS | Informačný systém | In Slovak = IS | Informacijski sistem | In Slovenian | In Catalan | → Software | 
| SI | Système d'Information = ИС, IS (look above) | In French | → Software | 
| SI | Sistem Informasi = ИС, IS (look above) | In Indonesian | → Software | 
| SI | Service Immobilier | In French | |
| SI | Service Informatique | In French | → Computer science | 
| SI/FS | System Integration and Flight Software | In English | → Software → Aeronautics, aircraft → Astronautics | 
| SI:X | Extrinsic Silicon | In English | → Electronics | 
| SI:XX | Arsenic-Doped Silicon Detector | In English | → Electronics | 
| SI:YY | Gallium-Doped Silicon Detector | In English | → Electronics | 
| SIA | Semajno de Internacia Amikeco | In Esperanto | → 8119 | 
| SIA | Société suisse des Ingénieurs et des Architectes (www.sia.ch) = SIA | Schweizerischer Ingenieur- und Architekten-Verein | In German | In French | → Organizations and associations → Engineering, technology → 72 → Switzerland | 
| SIA | Schweizerischer Ingenieur- und Architekten-Verein (www.sia.ch) = (look above) | In German | → Organizations and associations → Engineering, technology → 72 → Switzerland | 
| SIA | Società Italiana di Andrologia | In Italian | → Organizations and associations → 1599208 → 6166 → Italia |