| CEM | Commission on Ecosystem Management | 生态系统管理委员会 |
| CEM | Circuit Emulation Module | 電路模擬之模組 |
| CEM | cube environment mapping | 立方环境映射 |
| CEM | Customer Experience Management (Total Quality Management) | 客户体验管理（全面质量管理） |
| CEM | Conseillers En MobilitÉ (Belgium) | Conseillers En MobilitÉ (Belgium) |
| CEM | Complex Electro-Mechanical (system) | 复杂机电（系统） |
| CEM | Civil Emergency Message | 民用紧急信息 |
| CEM | Common Equipment Module | 通用设备模块 |
| CEM | CircunscripciÓn Electoral Municipal (Spanish; Guatemala) | CircunscripciÓn Electoral Municipal (Spanish; Guatemala) |
| CEM | Channel Element Module | 通道元件模块 |
| CEM | CompatibilitÉ ElectroMagnÉtique | CompatibilitÉ ElectroMagnÉtique |
| CEM | Christian Educational Ministries | 基督教教育部 |
| CEM | Communication-Electronic-Meteorological | 通信电子气象 |
| CEM | Communications-Electronics Meteorological | 通信电子气象 |
| CEM | Contract Equipment Manufacturer | 合同设备制造商 |
| CEM | Computational Electromagnetic | 计算电磁场 |
| CEM | Combined Element Magnet | 组合元件磁铁 |
| CEM | Continuous Effluent Monitor | 连续流出物监测器 |
| CEM | Connection Error Message | 连接错误消息 |
| CEM | Conferencia Episcopal de MÉxico (Spanish) | Conferencia Episcopal de MÉxico (Spanish) |
| CEM | Chief Enlisted Manager | 士兵管理主任 |
| CEM | Combat Evaluation Model | 作战评估模型 |
| CEM | Certified Equipment Manager | 认证设备经理 |
| CEM | central excitatory mechanism | 中枢兴奋机制 |
| CEM | Cascade Exciton Model | 级联激子模型 |
| CEM | Continuous Emissions Monitoring | 持续排放监测 |
| CEM | Contract Equipment Manufacturers | 合同设备制造商 |
| CEM | Cause and Effect Matrix | 因果矩阵 |
| CEM | Composite Epoxy Material | 复合环氧材料 |
| CEM | Colloquial Entropy Markup | 口语熵标记 |
| CEM | Curriculum Evaluation And Management | 课程评估与管理 |
| CEM | Chemistry Electronics And Mechanics | 化学、电子学和力学 |
| CEM | CÍrculo de ElectrÓnica Militar | CÍrculo de ElectrÓnica Militar |
| CEM | Certified EIFS Mechanic | 认证EIFS机械师 |
| CEM | Centro Em Movimento | 埃姆莫维门托中心 |
| CEM | Conditional Excluded Middle | 条件排除中间值 |
| CEM | Cisco Equipment Manager | Cisco设备经理 |
| CEM | chronic erythremic myelosis | 慢性红斑性骨髓病 |
| CEM | Centro de Estudios Militares | 军事研究中心 |
| CEM | compensatory eye movement | 补偿性眼球运动 |
| CEM | Centre For Electronic Music | 电子音乐中心 |
| CEM | cellulose ester membrane | 纤维素酯膜 |
| CEM | Construction Economics Management | 建筑经济管理 |
| CEM | Contract Electronics Manufacturer | 合同电子制造商 |
| CEM | Community Environmental Monitoring (US DOE) | 社区环境监测（美国DOE） |
| CEM | Country Economic Memorandum | 国家经济备忘录 |
| CEM | College of Estate Management | 房地产管理学院 |
| CEM | Continuous Emissions Monitoring (EPA) | 持续排放监测（EPA） |
| CEM | Contagious Equine Metritis | 传染性马子宫炎 |
| CEM | conventional transmission electron microscope | 常规透射电子显微镜 |
| CEM | Concepts Evaluation Model | 概念评估模型 |
| CEM | Combined Effects Munition | 综合效应弹药 |
| CEM | Common Element Manager | 公共元素管理器 |
| CEM | Columbus Electronic Musicians (Columbus, Ohio, USA; formerly Columbus MIDI Users Group, CMUG) | 哥伦布电子音乐家（美国俄亥俄州哥伦布；前身为哥伦布MIDI用户组，CMUG） |
| CEM | Cemetery | 墓地 |
| CEM | Cryoelectron Microscopy | 低温电子显微镜 |
| CEM | Contingency, Exercise & Mobility | 意外事故、运动和机动性 |
| CEM | Channel Electron Multiplier | 通道电子倍增器 |
| CEM | Cement | 水泥 |
| CEM | ComitÉ Économique du MÉdicament | ComitÉ Économique du MÉdicament |
| CEM | Credential Evaluator Module | 凭证评估器模块 |
| CEM | Concrete-Equivalent Mortar | 混凝土等效砂浆 |
| CEM | Conventional Electron Microscope | 常规电子显微镜 |
| CEM | Combination Export Manager | 组合导出管理器 |
| CEM | Channeltron Electron Multiplier | 沟道电子倍增器 |
| CEM | Cumulus Ensemble Model | 积云集合模型 |
| CEM | Captured Enemy Material | 捕获的敌方材料 |
| CEM | Center for Educational Measurements, Inc. | 教育测量中心。 |
| CEM | CollÈge Édouard-Montpetit (Longueuil, Quebec) | CollÈge Édouard-Montpetit (Longueuil, Quebec) |
| CEM | Communications-Electronics Maintenance (US Air Force career field) | 通信电子维修（美国空军职业领域） |
| CEM | Civil Engineering Manual (USAF) | 土木工程手册（USAF） |
| CEM | Consolidated Evaluation Meeting (Drug Administration Law of SFDA of China) | 综合评估会议（中国国家食品药品监督管理局药品管理法） |
| CEM | Cisco E-Mail Manager | Cisco电子邮件管理器 |
| CEM | Cooperative Environmental Management | 合作环境管理 |
| CEM | Consolidation, Extension, and Modification | 合并、扩展和修改 |
| CEM | Conservation and Enforcement Measures | 保护和执行措施 |
| CEM | Customer Experience Management | 客户体验管理 |
| CEM | Campus Estado de MÉxico | Campus Estado de MÉxico |
| CEM | Certified Emergency Manager | 认证应急经理 |
| CEM | Centro de Estudios Militares (Guatemala) | 军事研究中心（危地马拉） |
| CEM | College of Economics and Management (Philippines) | 经济与管理学院（菲律宾） |
| CEM | Cyprus Educational Mission (London, UK) | 塞浦路斯教育使团（英国伦敦） |
| CEM | Certainty-Equivalent Margin | 确定性等价保证金 |
| CEM | Computer Engineering Management | 计算机工程管理 |
| CEM | Career Ending Move | 职业生涯结束 |
| CEM | Cost Estimating Methodology | 成本估算方法 |
| CEM | Center for Enterprise Modernization (MITRE Corporation) | 企业现代化中心（MITRE Corporation） |
| CEM | Center for Electro-Mechanics | 机电中心 |
| CEM | Cost Estimating Manager | 成本估算经理 |
| CEM | Configurable Execution Module | 可配置执行模块 |
| CEM | Cabin Emergency Manual | 客舱应急手册 |
| CEM | Center for Electromagnetics | 电磁学中心 |
| CEM | Cost Engineering Model | 成本工程模型 |
| CEM | College of Engineering and Mines (University of Alaska Fairbanks) | 工程与矿业学院（阿拉斯加费尔班克斯大学） |
| CEM | Coastal Engineering Manual | 海岸工程手册 |
| CEM | Certified Energy Manager | 认证能源经理 |
| CEM | Consulting, Engineering and Management Co Ltd | 咨询、工程和管理有限公司 |
| CEM | Contract Energy Management | 合同能源管理 |
| CEM | Computation in Electromagnetics | 电磁学计算 |