| IEM | Internal Engineering Meno | 内部工程备忘录 |
| IEM | Institute of Engineering Mechanics (China) | 工程力学研究所(中国) |
| IEM | Integrated Elevation Model | 综合高程模型 |
| IEM | Institute of Environmental Medicine (Sweden) | 环境医学研究所(瑞典) |
| IEM | Integrated Equipment Manager (Boeing Aerospace) | 综合设备经理(波音航空航天) |
| IEM | Infinite Energy Magazine | 无限能源杂志 |
| IEM | Interim Examination and Maintenance | 临时检查和维修 |
| IEM | Industrial Entrepreneur Memoranda (India) | 工业企业家备忘录(印度) |
| IEM | Instructor Evaluation Matrix | 讲师评估矩阵 |
| IEM | Integrated Environmental Management, Inc. | 综合环境管理公司。 |
| IEM | Integrated Electronics Module | 集成电子模块 |
| IEM | Information Engineering Methodology | 信息工程方法论 |
| IEM | Intelligent Energy Management | 智能能源管理 |
| IEM | Institution of Engineers, Malaysia | 马来西亚工程师学会 |
| IEM | Institute of Epidemiology and Microbiology | 流行病学和微生物学研究所 |
| IEM | In Ear Monitor | 入耳式监护仪 |
| IEM | Institute of Engineering and Management | 工程与管理学院 |
| IEM | Integral Equation Method | 积分方程法 |
| IEM | Industrial Engineering and Management (course/program) | 工业工程与管理(课程/程序) |
| IEM | Installation Equipment Manager/Management | 安装设备经理/管理 |
| IEM | Installation Equipment Management | 安装设备管理 |
| IEM | International Equity Market | 国际股票市场 |
| IEM | Industrial Entrepreneur Memoranda | 工业企业家备忘录 |
| IEM | Inspiration Education And Motivation | 激励教育与激励 |
| IEM | International Electronic Monitoring | 国际电子监控 |
| IEM | Invalid End of Message | 消息结尾无效 |
| IEM | Internal Electricity Market | 内部电力市场 |
| IEM | Industrial Electric Manufacturing (Fremont, CA) | 工业电气制造(加利福尼亚州弗里蒙特) |
| IEM | Inborn Errors of Metabolism (molecular biology) | 先天性代谢错误(分子生物学) |
| IEM | Initial Estimate of Manpower | 人力资源初步估算 |
| IEM | Immune Electron Microscope | 免疫电镜 |
| IEM | Inactive Equipment Maintenance | 非活动设备维护 |
| IEM | Istanbul Emniyet Mudurlugu (Istanbul Security Administration) | 伊斯坦布尔Emniyet Mudulugu(伊斯坦布尔安全管理局) |
| IEM | Independent Electron Model | 独立电子模型 |
| IEM | Interpretative / Explanatory Material (Joint Aviation Requirements) | 解释/说明材料(联合航空需求) |
| IEM | Integrated ESM Mast | 集成ESM桅杆 |
| IEM | inborn error of metabolism | 先天性代谢错误 |
| IEM | Industrial End-user Market | 工业终端用户市场 |
| IEM | immune electronmicroscopy | 免疫电镜 |
| IEM | Innovative Emergency Management, Inc. | 创新应急管理公司。 |
| IEM | immuno-electrom microscope | 免疫电镜 |
| IEM | institute of environmental medicine | 环境医学研究所 |
| IEM | Innovative Emergency Management | 创新应急管理 |
| IEM | Industrial Environmental Management | 工业环境管理 |