| IRM | Information Resource Management | 信息资源管理 |
| IRM | Integrated Reference Model | 综合参考模型 |
| IRM | Institut Royal MÉtÉorologique de Belgique (Belgium's Royal Metereological Institute) | Institut Royal MÉtÉorologique de Belgique (Belgium's Royal Metereological Institute) |
| IRM | Information Risk Management | 信息风险管理 |
| IRM | Information Rights Management | 信息权限管理 |
| IRM | Integrated Resources Management | 综合资源管理 |
| IRM | Insurance for Released Members (Canada) | 被释放成员的保险(加拿大) |
| IRM | Inherited Rights Mask | 继承的权限掩码 |
| IRM | Intramural Research Program (NIH) | 校内研究计划(NIH) |
| IRM | Image Rejection Mixer | 图像抑制混合器 |
| IRM | Integrated Resistance Management | 集成电阻管理 |
| IRM | Information Resources Management (College; National Defense University; Washington, DC) | 信息资源管理(国防大学学院;华盛顿特区) |
| IRM | Institute for Regenerative Medicine | 再生医学研究所 |
| IRM | Information Resources Management | 信息资源管理 |
| IRM | Independent Reference Model | 独立参考模型 |
| IRM | Internet Reservation Module | Internet预订模块 |
| IRM | Isothermal Remanent Magnetization | 等温剩余磁化 |
| IRM | Information Resource Manager | 信息资源管理器 |
| IRM | Integrated Risk Management | 综合风险管理 |
| IRM | Instructional Recreation Module | 教学娱乐模块 |
| IRM | Isothermal Remnant Magnetization | 等温剩余磁化强度 |
| IRM | Integrated Resource Man | 综合资源员 |
| IRM | Indiana Railway Museum | 印第安纳铁路博物馆 |
| IRM | Interim Remedial Measure | 临时补救措施 |
| IRM | Imagerie par RÉsonnance MagnÉtique (French: Magnetic Imagery) | Imagerie par RÉsonnance MagnÉtique (French: Magnetic Imagery) |
| IRM | Internet Relationship Management | 互联网关系管理 |
| IRM | Institute of Rural Management | 农村管理研究所 |
| IRM | Immediate Remedial Measures (environment) | 立即补救措施(环境) |
| IRM | Immune Response Modifier | 免疫反应调节剂 |
| IRM | Impulse Radio Modulation | 脉冲无线电调制 |
| IRM | inherited releasing mechanism | 遗传释放机制 |
| IRM | index of residual myocardium | 残余心肌指数 |
| IRM | inferior rectus muscle | 下直肌 |
| IRM | innate release mechanism | 固有释放机制 |
| IRM | iremycin | 伊雷霉素 |
| IRM | institute of rehabilitation medicine | 康复医学研究所 |
| IRM | Insect Resistance Management | 抗虫性管理 |
| IRM | Integrated Resource Management | 综合资源管理 |
| IRM | Intermediate Restorative Material | 中间修复材料 |
| IRM | Interim Restorative Material | 临时修复材料 |
| IRM | Iron Mountain, Inc., of Pennsylvania | 宾夕法尼亚州铁山公司 |
| IRM | Ion Rate Monitoring | 离子速率监测 |
| IRM | Department of Commerce -- Information Resource Management Division | 商务部信息资源管理司 |
| IRM | Islamic Resistance Movement (aka Hamas) | 伊斯兰抵抗运动(又名哈马斯) |
| IRM | Information Resources Management Plan (HFCA) | 信息资源管理计划(HFCA) |
| IRM | Interactive Rights Management Ltd | 互动版权管理有限公司 |
| IRM | Intelligence Requirements Management | 情报需求管理 |
| IRM | Item Response Model | 项目响应模型 |
| IRM | Investor Relationship Management | 投资者关系管理 |
| IRM | In-Lined Reference Monitoring | 在线参考监控 |
| IRM | International Revolutionary Movement | 国际革命运动 |
| IRM | Ion Release Module | 离子释放模块 |
| IRM | Isochronous Resource Manager (IEEE 1394) | 同步资源管理器(IEEE 1394) |
| IRM | Interim Release Milestone | 中期发布里程碑 |
| IRM | Initial Ranging Message | 初始测距信息 |
| IRM | Integrated Resource Management, LLC (Claremont, California) | 综合资源管理有限责任公司(加利福尼亚州克莱蒙特) |
| IRM | Information Release Memo | 信息发布备忘录 |
| IRM | International Roaming MIN | 国际漫游MIN |
| IRM | Institute of Risk Management | 风险管理研究所 |
| IRM | Interference Reflection Microscopy | 干涉反射显微镜 |
| IRM | Impossible Recording Machine (band) | 不可能录音机(波段) |
| IRM | Inspection, Repair, Maintenance | 检查、维修、维护 |
| IRM | Internal Revenue Manual | 国内收入手册 |