| SADIEau | Système Africain de Documentation et d'Information sur l'Eau = AWIS | African Water Information (and Documentation) System | In English |
In French | → Knowledge management → Hydrology → 626 → Environmental technology, water supply, waste management |
| SAE | Système d'Archivage Électronique | In French | → Knowledge management |
| SAFARI | Shape Analysis For Automatic Retrieval of Images | In English | → Image processing |
| SAG | SQL Access Group | In English | → Data |
| SAI | Standards Australia International (www.standards.com.au) | In English | → Standardization |
| SALC | Sacramento Air Logistics Center | In English | → Maintenance and logistics → Aeronautics, aircraft |
| SALERO | Semantic Audiovisual Entertainment Reusable Objects (www.salero.info) | In English | → Computer-based techniques → Telecommunications → Entertainment |
| SALUG | Savoie-Aravis Linux Users Group | In English | → Organizations and associations → Operating systems |
| SAML | Security Assertion Markup Language | In English | → Programming languages |
| SAMPA | Speech Assessment Methods Phonetic Alphabet | In English | → Writing systems → Linguistics |
| SAMS | Systems Analysis Modelling Simulation | In English | → Serial publications, periodicals → Computer simulation |
| SAMT | Semantics And digital Media Technologies | In English | → Computer-based techniques → Telecommunications |
| SAN | Storage Area Network | In English | → Data → Knowledge management |
| SANDAC | Sandia Airborne Computer Guidance System | In English | → Hardware → Aeronautics, aircraft |
| SAPIR | Search on Audio-visual content using Peer-to-peer Information Retrieval | In English | → Computer-based techniques → Knowledge management |
| SAR | Storage Address Register | In English | → Memories |
| SARAI | South Asia Resource Access on the Internet | In English | → Libraries → Networks, communication → Area studies |
| SARP | Small Autonomous Research Package | In English | → Research policy |
| SAS | Software Approval Sheet | In English | → Software |
| SAS | Software Automation Subpanel | In English | → Software |
| SASCB | Shuttle Avionics Software Control Board | In English | → Software → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| SASL | Simple Authentication and Security Layer | In English | → Networks, communication |
| SASMO | Syrian Arab Standards and Metrology Organization | In English | → Standardization |
| SASO | Saudi Arabian Standards Organization | In English | → Standardization |
| SASTP | Stand-Alone Self-Test Program | In English | → Software |
| SATO | Supply and Transportation Operations | In English | → Maintenance and logistics |
| SAVANT | Synchronised and scalable Audio Video content Across NeTworks | In English | → Networks, communication → Computer-based techniques → Telecommunications → Music |
| SB | Synchronization Bit | In English | → Computer science |
| SBE | Sub-Bit Encoder | In English | → Computer science |
| SBIR | Small Business Innovation Research | In English | → Research policy → Applied sciences, technology |
| SBML | Systems Biology Markup Language | In English | → Programming languages → Biological sciences |
| SBO | Systems Biology Ontology | In English | → Programming languages → Knowledge management → Libraries → Biological sciences |
| SC | Software Change | In English | → Software |
| SCA | Software Command Analysis | In English | → Software |
| SCAC | Service de Coopération et d'Action Culturelle | In French | → International relations → Civilization, culture, progress → Arts |
| SCAM | Société Civile des Auteurs Multimédia (www.scam.fr) | In French | → Organizations and associations → Computer science → Cinema, movies |
| SCATS | Sydney Co-ordinated Adaptive Traffic System | In English | → Software → Transport and postal services |
| SCB | Schedule Control Board | In English | → Management |
| SCB | Software Control Board | In English | → Software |
| SCC | Simulation Configuration Control | In English | → Computer simulation |
| SCC | Scientific Computing Center | In English | → Computer science |
| SCC | Standards Council of Canada | In English | → Standardization → Organizations and associations |
| SCCB | Software Configuration Control Board | In English | → Software |
| SCCB | Software Change Control Board | In English | → Software |
| SCCH | Software Competence Center Hagenberg (www.scch.at) | In English | → Software |
| SCDR | Software Critical Design Review | In English | → Software |
| SCE | Supply Chain Execution | In English | → Maintenance and logistics |
| SCEM | Supply Chain Event Management | In English | → Maintenance and logistics |
| SCI | Software Customer Inspection | In English | → Software |
| SCM | Software Configuration Management/Manager | In English | → Software |
| SCM | Schedule/Configuration Management | In English | → Management |
| SCM | System Configuration Management | In English | → Hardware |
| SCM | System Control Module | In English | → Hardware |
| SCM | System Configuration Monitoring | In English | → Hardware |
| SCM | Supply Chain Management | In English | → Maintenance and logistics |
| SCMO | Software Configuration Management Office | In English | → Software |
| SCMP | Software Configuration Management Plan | In English | → Software |
| SCMU | Satellite Control and Monitor Unit | In English | → Human-computer interaction → Spaceflight engineering, astronautics |
| SCN | Schedule Change Notice | In English | → Management |
| SCOS | Subsystem Computer Operating System | In English | → Operating systems |
| SCR | Software Change Request | In English | → Software |
| SCRB | Software Configuration Review Board | In English | → Software |
| SCS | Solutions Communicantes Sécurisées | In French | → Software → Networks, communication → Telecommunications |
| SCSI | Small Computer System Interface | In English | → Human-computer interaction |
| SCSL | Scientific Computing Software Library | In English | → Software |
| SCSS | Satellite Control Simulation System | In English | → Computer simulation → Spaceflight engineering, astronautics |
| SCTP | Stream Control Transmission Protocol | In English | → Internet |
| SCTR | System Conformance Test Report | In English | → Standardization |
| SCTS | Secondary Clear To Send | In English | → Data → Telecommunications |
| SCW | Search-Complete Word | In English | → Document processing |
| SDA | Source Data Automation | In English | → Data |
| SDBC | Software Development Baseline Control | In English | → Software |
| SDC | Software Development Computer | In English | → Hardware → Software |
| SDCD | Secondary Carrier Detect | In English | → Data → Telecommunications |
| SDD | Software Description Document | In English | → Software |
| SDD | System for Distributed Data base | In English | → Data |
| SDD | Software Design Document | In English | → Software |
| SDDD | Software Detailed Design Document | In English | → Software |
| SDDL | Software Design and Document Language | In English | → Software |
| SDDS | Special Data Dissemination Standards | In English | → Standardization → Data |
| SDE | Software Development Environment | In English | → Software |
| SDF | Simulation Data File | In English | → Computer simulation |
| SDF | Software Development Facility | In English | → Software |
| SDF | Software Development File | In English | → Software |
| SDH | Software Development Handbook | In English | → Software |
| SDHS | Satellite Data Handling System | In English | → Data → Spaceflight engineering, astronautics |
| SDIF | Software Development and Integration Facility | In English | → Software |
| SDIL | Spacecraft DCD Interface Logic | In English | → Human-computer interaction → Spaceflight engineering, astronautics |
| SDK | Software Development Kit | In English | → Software |
| SDL | Simple Directmedia Layer | In English | → Software |
| SDL | Software Development Laboratory | In English | → Research institutes → Software |
| SDL | Software Development Library | In English | → Software |
| SDM | Shuttle Data Management | In English | → Data → Spaceflight engineering, astronautics |
| SDM | Security Document Management | In English | → Knowledge management |
| SDN | Software Development Note | In English | → Software |
| SDNS | Secure Data Network System | In English | → Data → Networks, communication |
| SDP | Standard Data Processor | In English | → Hardware |
| SDP | Sensor Data Processing | In English | → Computer science |
| SDP | Shuttle Data Processor | In English | → Data → Spaceflight engineering, astronautics |
| SDP | Software Development Plan | In English | → Software |
| SDP | Site Data Processor | In English | → Data |
| SDPC | Shuttle Data Processing Complex | In English | → Data → Spaceflight engineering, astronautics |
| SDQA | Space Division Quality Assurance | In English | → Quality management → Spaceflight engineering, astronautics |
| SDR | Storage Data Register | In English | → Data |
| SDR | Software Design Review | In English | → Software |
| SDR | Software Design Requirement | In English | → Software |
| SDR | Serial Data Receiver | In English | → Data |
| SDR | Sensor Data Record | In English | → Data |
| SDRAM | Synchronous Dynamic Random Access Memory | In English | → Memories |
| SDRB | Software Design Review Board | In English | → Software |
| SDRS | Shuttle Display Reconfiguration System | In English | → Human-computer interaction → Spaceflight engineering, astronautics |
| SDS | Software Design Specification | In English | → Software |
| SDS | Simulation Data Subsystem | In English | → Computer simulation |
| SDS | Scientific Data System | In English | → Data |
| SDS | Satellite Data System | In English | → Data → Spaceflight engineering, astronautics |
| SDSC | San Diego Supercomputing Center | In English | → Computer science |
| SDT | Shuttle Data Tape | In English | → Data → Spaceflight engineering, astronautics |
| SDVF | Software Development and Verification Facility | In English | → Software |
| SE | Software Engineering | In English | → Software |
| SE | Système d'Exploitation | In French | → Operating systems |
| SEAL | Software-Optimized Encryption Algorithm | In English | → Software → Mathematics |
| SEAL | Software Engineering and Ada Lab(oratory) | In English | → Research institutes → Software |
| SEAL | Semantics-directed Environment Adaptation Language | In English | → Programming languages |
| SEAM | System Engineering and Analysis Management | In English | → Management → Engineering, technology |
| SEAPG | Support Equipment Acquisition Planning Group | In English | → Maintenance and logistics |
| SEBIS | Semantics in Business Information Systems | In English | → Knowledge management → Semiotics |
| SeCIU | Servicio Central de Informática Universitario | In Spanish | → Computer science → Higher education, universities |
| SEE | Software Engineering Exercise | In English | → Software |
| SEE | Software Equality Evaluation | In English | → Software |
| SEEL | Syndicat des Éditeurs de Logiciels de Loisirs | In French | → Organizations and associations → Software |
| SEG | Simulation Engineering Group | In English | → Computer simulation → Engineering, technology |
| SEI | Support Equipment Installation | In English | → Maintenance and logistics |
| SEI | Software Engineering Institute | In English | → Software |
| SEICO | Support Equipment Installation and Checkout | In English | → Maintenance and logistics |
| SEK | Seula Esperanto-Kulturcentro | In Esperanto | → Civilization, culture, progress |
| SEKT | Semantic Knowledge Technologies | In English | → Computer-based techniques → Semiotics |
| SELL | Syndicat des Éditeurs de Logiciel de Loisirs (www.sell.fr) | In French | → Organizations and associations → Software → Entertainment |
| SELL | Syndicat des Éditeurs de Logiciel de Loisir (www.sell.fr) | In French | → Organizations and associations → Software → Entertainment |
| SEM | SEmantic Memory | In English | → Software → Semiotics |
| SEMA | Search Engine Marketing Association | In French | → Associations → Internet → 659 |
| SEMPO | Search Engine Marketing Professional Organization | In English | → Organizations and associations → Internet |
| SEO | Search Engine Optimization | In English | → Internet → 659 |
| SEPPE | Soutien à l'Élaboration et au Portage de Projets Européens | In French | → Research policy |
| SEQUEL | Structured English Query Language | In English | → Data |
| SERAM | Société d'Études et de Recherches de l'École Nationale Supérieure d'Arts et Métiers | In French | → Research policy → Specialized or (poly)technical colleges → Engineering, technology |
| SERPs | Search Engine Ranking Pages | In English | → Internet → Computer-based techniques |
| SES | Software Evaluation Subpanel | In English | → Software |
| SESAME | Système d'Exploration de Séquences Audiovisuelles et Multimédias Enrichi par l'Expérience | In French | → Computer-based techniques → Cinema, movies |
| SESAME | Session d'Épreuves Spécifiques à l'Admission au Management Européen et international | In French | → Management → Education |
| SESAME | Soutien aux Équipes Scientifiques pour l'Acquisition de Moyens Expérimentaux | In French | → 00186 |
| SESKO | Sähkö- ja elektroniikka-alan standardisointijärjestö | In Finnish | → Standardization → Electronics |
| SET | Secure Electronic Transaction | In English | → Networks, communication → Telecommunications |
| SEVN | Syndicat de l’Édition Vidéo Numérique | In French | → Organizations and associations → Computer-based techniques → Telecommunications |
| SEXI | String EXpression Interpreter | In English | → Programming languages |
| SFACI | Software Flight Article Configuration Inspection | In English | → Software → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| SFB | Spezialforschungbereich | In German | → Research policy |
| SFLC | Software Freedom Law Center | In English | → Software → Law, jurisprudence |
| SFM | Senior Functional Manager | In English | → Management |
| SFPPL | Short-Form Provisioning Parts List | In English | → Maintenance and logistics |
| SFS | Suomen Standardisoimisliitto | In Finnish | → Standardization |
| SGAICO | Swiss Group for Artificial Intelligence and Cognitive Science | In English | → Artificial intelligence |
| SGBD | Sistema de Gestió de Bases de Dades = DBMS | Data Base Management System | In English = SGBD | Système de Gestion de Base de Données | In French = SŘBD | Systém řízení báze dat | In Czech = 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 Catalan | → Data |
| SGBD | Système de Gestion de Base de Données = DBMS, SŘBD, SMBD, SUBP, DBKS (look above) |
In French | → 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 |
| SGC | Système de Gestion de Contenu(s) = CMS | Content Management System | In English |
In French | → Document processing → Knowledge management |
| SGC | Server Gated Cryptography | In English | → Internet → Mathematics |
| SGDT | Système de Gestion de Données Techniques | In French | → Data → Knowledge management |
| SGML | Standard Generalized Markup Language | In English | → Programming languages → Data → Document processing |
| SGMT | Simulated Greenwich Mean Time | In English | → Standardization |
| SHA | Secure Hash Algorithm | In English | → Computer science → Mathematics |
| SHIVA | Simulated Highways for Intelligent Vehicle Algorithms | In English | → Computer simulation → Transport and postal services |
| SHLB | Simulation Hardware Load Box | In English | → Hardware → Computer simulation |
| SHOE | Simple Hypertext Ontology Extensions | In English | → Networks, communication → Linguistics |
| SHS | Simulation Hardware System | In English | → Hardware → Computer simulation |
| SI | Système International | In French | → Standardization |
| SI/FS | System Integration and Flight Software | In English | → Software → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| SIA | Software Impact Assessment | In English | → Software |
| SIB | Simulation Interface Buffer | In English | → Human-computer interaction → Computer simulation |
| SIC | Standard Industrial Classification | In English | → Standardization |
| SICRI | Small Island Cultures Research Initiative | In English | → Civilization, culture, progress → Sociology |
| SID | System Interface Document | In English | → Human-computer interaction |
| SID | Standard Interface Document | In English | → Human-computer interaction |
| SID | Simulator Interface Device | In English | → Human-computer interaction |
| SID | Système d’Information Documentaire | In French | → Knowledge management |
| SIE | Shuttle Interface Equipment | In English | → Human-computer interaction → Spaceflight engineering, astronautics |
| SIE | Système d'Information sur l'Eau | In French | → Knowledge management → Hydrology → 627 → Environmental technology, water supply, waste management |
| SIES | Supervision, Inspection, Engineering, and Services | In English | → Management → Engineering, technology |
| SIF | Service Informatique Fédéral | In French | → Computer science → Central administration |
| SIG | Sistema d'informació geogràfica = GIS | Geographic(al) Information System | In English = SIG | Sistema Informativo Geografico | In Italian = SIG | Sistema de Información Geográfica | In Spanish = GIS | Geografický Informační Systém | In Czech = ГИС | Географска информационна система | In Bulgarian = ΓΣΠ | Γεωγραφικά Συστήματα Πληροφοριών | In Greek = GIS | Geographisches Informationssystem | In German = GIS | Geoinformationssystem | In German = GIS | Geoinfosüsteem | In Estonian = GIS | Geografski informacijski sustav | In Croatian = ממ"ג | מערכת מידע גאוגרפית | In Hebrew = GIS | Geografinė informacinė sistema | In Lithuanian = SIG | Sistem Informasi Geografis | In Indonesian = GIS | Geografisch Informatiesysteem | In Dutch = GIS | Geografiske informasjonssystem | In Nynorsk = GIS | Geografiske informasjonssystemer | In Norwegian = SIG | Sistema de informação geográfica | In Portuguese = ГИС | Географическая Информационная Система | In Russian = GIS | Geografski informacijski sistem | In Slovenian = GIS | Geografiskt InformationsSystem | In Swedish = ГІС | Геоінформаційна система | In Ukrainian |
In Catalan | → Software → Geography |
| SIG | Sistema de Información Geográfica = GIS, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Spanish | → Software → Geography |
| SIG | Sistem Informasi Geografis = GIS, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Indonesian | → Software → Geography |
| SIG | Sistema de informação geográfica = GIS, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Portuguese | → Software → Geography |
| SIG | Système d'Information Géographique = TAC | Traitement Communautaire Assertif | In French = PACT | Program Assertif Community Treatment | In English |
In French | → Software → Geography |
| SIG | Sistema Informativo Geografico = GIS, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Italian | → Software → Geography |
| SIGB | Système Intégré de Gestion de Bibliothèque = ILS | Integrated Library System | In English = АБИС | Автоматизированные библиотечные информационные системы | In Russian |
In French | → Knowledge management → Libraries → Software |
| SIGCHI | Special Interest Group on Computer–Human Interaction | In English | → Organizations and associations → Human-computer interaction |
| SIGLE | System for Information on Grey Literature in Europe | In English | → Libraries → Knowledge management |
| SII | Standards Institution of Israel | In English | → Standardization |
| SIL | Su'aalaha Intabadan La'isweydiiyey = FAQ | Frequently Asked Questions | In English = FAQ | Foire Aux Questions | In French = POD | Plej Oftaj Demandoj | In Esperanto |
In Somali | → Science and knowledge |