| ISR | Institute for Sex Research | 性研究学会 |
| ISR | Israel | 以色列 |
| ISR | Information Storage and Retrieval | 信息贮存和检索 |
| ISR | Institute of Surgical Research | 外科研究所([美] AUS) |
| ISR | International Society of Radiology | 国际放射学会 |
| ISR | International SyntheticRubber Company | 国际合成橡胶公司 |
| ISR | Initial Submission Rate | 初始提供速率 |
| ISR | International Simple Resell | 国际简单转卖 |
| ISR | Interrupt Service Routine | 中断服务程序 |
| ISR | International Statistical Review | 国际统计评论 |
| ISR | Incoherent Scatter Radar | 非相干散射雷达 |
| ISR | Intelligence, Surveillance, and Reconnaissance | 情报、监视和侦察 |
| ISR | Institute for Software Research (University of California, Irvine) | 软件研究所（加利福尼亚大学欧文分校） |
| ISR | Institutional Supporting Research | 机构支持研究 |
| ISR | Institute of Surgical Research (University of Munich, Germany) | 外科研究所（德国慕尼黑大学） |
| ISR | Information Systems Research (MIS journal) | 信息系统研究（MIS期刊） |
| ISR | Internet Suspend Resume | Internet挂起恢复 |
| ISR | Institute for Social Research | 社会研究所 |
| ISR | Institute of Snow Research | 雪研究所 |
| ISR | Infant Swimming Resource (Winter Park, FL) | 婴儿游泳资源（佛罗里达州冬季公园） |
| ISR | Internal State Reversion | 内部状态反转 |
| ISR | Interviewer Severity Rating | 面试官严重程度评分 |
| ISR | Intersecting Storage Rings (at CERN) | 交叉存储环（CERN） |
| ISR | Indirect Source Review | 间接来源审查 |
| ISR | Immunostimulator | 免疫刺激剂 |
| ISR | In-Service Recruiter | 现役新兵 |
| ISR | Independent Sufficiency Review | 独立足量审查 |
| ISR | Industrial Security Regulation (DOD 5220.22-R) | 工业安全条例（DOD 5220.22-R） |
| ISR | Information Source Repository | 信息源存储库 |
| ISR | Internal Service Request | 内部服务请求 |
| ISR | Interference Subspace Rejection | 干扰子空间抑制 |
| ISR | Intelligence, Sensors, Reconnaissance | 情报、传感器、侦察 |
| ISR | Independent Safety Review | 独立安全审查 |
| ISR | In Stent Restenosis | 支架内再狭窄 |
| ISR | Intra Squad Radio | 班内无线电 |
| ISR | In-Service Repair | 在役维修 |
| ISR | Intermediate Stress Relief | 中间应力消除 |
| ISR | International Simple Resale | 国际简单转售 |
| ISR | Inland Slope Rebels (Riverside, CA) | 内陆斜坡叛乱（加利福尼亚州河滨） |
| ISR | insulin secretion rate | 胰岛素分泌率 |
| ISR | Institute for Sensory Research | 感官研究所 |
| ISR | Ice Sheet Reconstruction | 冰原重建 |
| ISR | international sanitary regulations | 国际卫生条例 |
| ISR | Initial State Radiation | 初始状态辐射 |
| ISR | Interrupt Space Register | 中断空间寄存器 |
| ISR | Intermediate Session Routing | 中间会话路由 |
| ISR | Iowa Southern Railroad Company | 爱荷华州南方铁路公司 |
| ISR | Incremental Software Release | 增量软件发布 |
| ISR | Interrupt Segment Register | 中断段寄存器 |
| ISR | Invoice Summary Register | 发票汇总登记 |
| ISR | In-Situ Rinse | 现场冲洗 |
| ISR | Individual Soldier Radio | 单兵无线电 |
| ISR | Integrated Switch Router | 集成交换机路由器 |
| ISR | Installation Status Report | 设施状态报告 |
| ISR | Injection Site Reaction | 注射部位反应 |
| ISR | Institute for Surgical Research (Brooke Army Medical Center, TX, Medical Research Materiel Command, US Army) | 外科研究所（德克萨斯州布鲁克陆军医学中心，美国陆军医学研究装备司令部） |
| ISR | Information Services and Resources | 信息服务和资源 |
| ISR | Interrupt Service Register | 中断服务寄存器 |
| ISR | Institute for Safety Research and Reactor Technology | 安全研究与反应堆技术研究所 |
| ISR | International Survey Research | 国际调查研究 |
| ISR | Independent Science Review | 独立科学评论 |
| ISR | Infrared Scanning Radiometer | 红外扫描辐射计 |
| ISR | Institute for Scientific Research, Inc | 科学研究所 |
| ISR | Input Storage Receiver | 输入存储接收器 |
| ISR | Individualised Student Record (UK) | 个性化学生记录（英国） |
| ISR | Interim Systems Review | 临时系统审查 |
| ISR | Institute for Systems Research (University of Maryland) | 系统研究所（马里兰大学） |
| ISR | Interrupt Service Routine (assembly programming) | 中断服务例程（程序集编程） |
| ISR | Industrial Special Risks | 工业特殊风险 |
| ISR | Integrated Switch Router Technical Specification | 集成交换路由器技术规范 |
| ISR | Immediate System Recovery (Raxco) | 即时系统恢复（Raxco） |
| ISR | Integrated Switching Regulator (Electronics) | 集成开关调节器（电子） |
| ISR | Induced Systemic Resistance (plant biology) | 诱导系统抗性（植物生物学） |
| ISR | Identification Safety Range | 安全识别范围 |
| ISR | Information Systems Resources | 信息系统资源 |
| ISR | In Service Review | 在役审查 |
| ISR | Initial Service Release | 初始服务发布 |
| ISR | Immediate Spray Reroute | 立即喷洒路线 |
| ISR | Instrument Science Report | 仪器科学报告 |
| ISR | Intermediate Session Routing (IBM) | 中间会话路由（IBM） |
| ISR | Instructional System Review | 教学系统审查 |
| ISR | Investment Strategy Review | 投资战略审查 |
| ISR | Implemented Status Report | 实施状态报告 |
| ISR | Inspection/Surveillance Report | 检查/监控报告 |
| ISR | International Socialist Review (US leftist journal) | 《国际社会主义评论》（美国左派杂志） |
| ISR | Initial Services Requirements (Sprint) | 初始服务要求（Sprint） |
| ISR | Integrated Service Request (Sprint PCS) | 综合服务请求（Sprint PCS） |
| ISR | Information Services Request | 信息服务请求 |
| ISR | Initial Source Requisition | 初始源申请 |
| ISR | Integrated SONET Router (Cisco) | 集成SONET路由器（Cisco） |
| ISR | Impuesto Sobre la Renta | Impresso Sobre la Renta公司 |