| SIS | strategic information system | 策略信息系统 |
| SIS | Silicon Integrated Systems | 硅晶积体装置(系统) |
| SIS | Supervisory Information System | 监控信息系统 |
| SIS | safety instrument system | 安全仪表系统 |
| SIS | Swedish Institute for Standards (central body for standardization) | 瑞典标准协会(标准化中心机构) |
| SIS | Swarm Intelligence Symposium (IEEE) | Swarm智能研讨会(IEEE) |
| SIS | School of Information Sciences | 信息科学学院 |
| SIS | sister | 姐妹 |
| SIS | System Infrastructure Software | 系统基础设施软件 |
| SIS | International Workshop on Secure Information Systems (IEEE Workshop) | 安全信息系统国际研讨会(IEEE研讨会) |
| SIS | Simposio de IngenierÍa de Software | Simposio de IngenierÍa de Software |
| SIS | Schlumberger Information Solutions | 斯伦贝谢信息解决方案 |
| SIS | Single Interceptor Satellite | 单拦截卫星 |
| SIS | Signal-in-Space (L1 or L2 signal transmitted from GPS satellites to GPS receivers) | 空间信号(从GPS卫星发送到GPS接收机的L1或L2信号) |
| SIS | Southern Information Systems, Inc. | 南方信息系统公司。 |
| SIS | Shipbuilding Innovation Scheme (Australia) | 造船创新计划(澳大利亚) |
| SIS | School of Information Studies | 信息研究学院 |
| SIS | Surface Instrumentation Subsystem | 地面仪表子系统 |
| SIS | Site Integrated Schedule | 现场综合计划 |
| SIS | Strategic Intermodal System | 战略联运系统 |
| SIS | Side Impact Sensor (automobiles) | 侧面碰撞传感器(汽车) |
| SIS | Single Instance Store (Microsoft Windows 2000) | 单实例存储(Microsoft Windows 2000) |
| SIS | Satellite Instrument Shelter | 卫星仪表舱 |
| SIS | Space Information Systems | 空间信息系统 |
| SIS | Stepwise Isothermal Segregation | 分步等温偏析 |
| SIS | School of International Studies | 国际研究学院 |
| SIS | Soccer Information Systems | 足球信息系统 |
| SIS | Senior Intelligence Service | 高级情报局 |
| SIS | Social Indicators Survey | 社会指标调查 |
| SIS | Special Intelligence Study | 特殊情报研究 |
| SIS | Stil I StÅl (Finnish: Style in Steel) | Stil I StÅl (Finnish: Style in Steel) |
| SIS | Simulator Interface Subsystem | 模拟器接口子系统 |
| SIS | Surface-ionization-type Ion Source | 表面电离型离子源 |
| SIS | Sensory Index Score | 感官指数得分 |
| SIS | Special Isotope Separation/Separator | 特殊的同位素分离/分离器 |
| SIS | Secret Intelligence Service (MI6) | 秘密情报局(军情六处) |
| SIS | State Institute of Statistics | 国家统计研究所 |
| SIS | Styrene Isoprene Styrene Block Copolymer | 苯乙烯-异戊二烯-苯乙烯嵌段共聚物 |
| SIS | Scanning Imaging Spectrometer | 扫描成像光谱仪 |
| SIS | Saline Infused Sonogram | 盐水注入超声心动图 |
| SIS | System Integrity Statement | 系统完整性声明 |
| SIS | Simple Image Service | 简单图像服务 |
| SIS | Site Information Set | 站点信息集 |
| SIS | Station IndÉpendante Satellite (Belgian radio) | Station IndÉpendante Satellite (Belgian radio) |
| SIS | Space Inventory System | 空间库存系统 |
| SIS | SCI Isolation Segment | SCI隔离段 |
| SIS | Student Information Systems | 学生信息系统 |
| SIS | Sensor & Instrumentation System | 传感器、仪表系统 |
| SIS | Standardiseringskommissionen I Sverige | 瑞典标准化委员会 |
| SIS | Status Interrupt Signal | 状态中断信号 |
| SIS | Selective Inquiry System | 选择性查询系统 |
| SIS | Standardized Interface Specification | 标准化接口规范 |
| SIS | Secondary Items Study | 次要项目研究 |
| SIS | Server Infrastructure Strategy | 服务器基础架构战略 |
| SIS | Siemens IT Solutions | 西门子IT解决方案 |
| SIS | Special Information System | 特殊信息系统 |
| SIS | Silicon Integrated System(s) | 硅集成系统 |
| SIS | Sistemas Israelitas de Seguridad (Guatemala) | Sistemas Israelitas de Seguridad(危地马拉) |
| SIS | Safety Injection System | 安全注射系统 |
| SIS | Servicios Israelis de Seguridad (Guatemalan security firm) | Servicios以色列人de Seguridad(危地马拉安全公司) |
| SIS | Signalling Interworking Subsystem | 信号互通子系统 |
| SIS | Senologic International Society | 国际感官学会 |
| SIS | Statistical Inventory Sampling | 统计库存抽样 |
| SIS | Saman Information Structure (Iran) | 萨曼信息结构(伊朗) |
| SIS | State Intermodal System (Florida, USA) | 国家多式联运系统(美国佛罗里达州) |
| SIS | Space and Intelligence Systems | 空间和情报系统 |
| SIS | Schwerionensynchrotron (Gesellschaft fÜr Schwerionenforschung mbH) | Schwerionensynchrotron (Gesellschaft fÜr Schwerionenforschung mbH) |
| SIS | Scientific Instrument Society | 科学仪器学会 |
| SIS | State Information Service (Egypt) | 国家信息局(埃及) |
| SIS | Serviços de Informação e Segurança | Serviços de Informação e Segurança |
| SIS | Standard Inspection Sheet | 标准检验单 |
| SIS | Schengen Information System | 申根信息系统 |
| SIS | Synopsis Information System (DCAA) | 概要信息系统(DCAA) |
| SIS | Species Impact Statement (environmental conservation) | 物种影响声明(环境保护) |
| SIS | Safety Instrumented System | 安全仪表系统 |
| SIS | Simulation Induced Sickness (program) | 模拟诱发疾病(程序) |
| SIS | Simple Instruction Set | 简单指令集 |
| SIS | System Integration and Support | 系统集成和支持 |
| SIS | Satellite Intercept System | 卫星拦截系统 |
| SIS | Spatial Information System | 空间信息系统 |
| SIS | special information systems (US DoD) | 特殊信息系统(美国国防部) |
| SIS | Sound In Syncs | 声音同步 |
| SIS | Simple Internet Solutions | 简单的Internet解决方案 |
| SIS | Shock Inertia Switch | 冲击惯性开关 |
| SIS | Superconducting Image Surface | 超导图像表面 |
| SIS | Seoul International School | 首尔国际学校 |
| SIS | School of Intercultural Studies (Fuller Theological Seminary, Pasadena California) | 跨文化研究学院(加利福尼亚州帕萨迪纳富勒神学院) |
| SIS | Single Image Software | 单图像软件 |
| SIS | Susceptible Infected Susceptible | 易感感染易感 |
| SIS | Scientific Information Services Limited (St. Augustine, Trinidad & Tobago) | 科学的信息服务有限公司(圣。特立尼达和多巴哥): |
| SIS | Single Image Stereogram | 单图像立体图 |
| SIS | Standardiseringen I Sverige | 瑞典标准 |
| SIS | Special Investigations Section | 特别调查科 |
| SIS | Safety Interlock Switch | 安全联锁开关 |
| SIS | Slovenský Internetový Spravodaj (Slovak Internet Search) | Slovenský Internetový Spravodaj (Slovak Internet Search) |
| SIS | Standard Interface Specification | 标准接口规范 |
| SIS | Sensor Image Simulator | 传感器图像模拟器 |
| SIS | Stay-In-School (program) | 留在学校(计划) |
| SIS | Semiconductor Insulator Semiconductor | 半导体绝缘体半导体 |
| SIS | SystÈme Information Sociale | SystÈme Information Sociale |