| MCR | Manchester, England (airport code) | 英国曼彻斯特（机场代码） |
| MCR | Message Completion Rate | 信息完整率 |
| MCR | Magnetic Character Recognition | 磁性字符识别 |
| MCR | Military Compact Reactor | 军用紧凑型反应堆 |
| MCR | Motion-Compensated Reconstruction (digital television) | 运动补偿重建（数字电视） |
| MCR | Medical Cost Ratio (managed care industry) | 医疗成本比率（管理医疗行业） |
| MCR | Master of Corporate Real Estate | 企业房地产硕士 |
| MCR | Movement des Citoyens pour la Republique (French: Citizen and Republican Movement) | 共和公民运动（法语：公民与共和运动） |
| MCR | Mission Confirmation Review (NASA) | 任务确认审查（NASA） |
| MCR | My Chemical Romance | 我的化学浪漫 |
| MCR | Multiple Chip Rate | 多芯片速率 |
| MCR | Maximum Continuous Rating | 最大连续额定值 |
| MCR | Manual Change Release | 手动更改发布 |
| MCR | Master Control Room | 主控制室 |
| MCR | Manual Contract Requirement | 手动合同要求 |
| MCR | Mission Computer Replacement | 任务计算机更换 |
| MCR | Multi-Country Region | 多国地区 |
| MCR | Minimum Capital Requirement | 最低资本要求 |
| MCR | Masters of Corporate Real Estate | 企业房地产硕士 |
| MCR | Metabolic Clearance Rate | 代谢清除率 |
| MCR | Master Control Record System | 主控记录系统 |
| MCR | Marcellin College Randwick | 马塞林学院Randwick |
| MCR | Medical Center of the Rockies (Loveland, CO) | 落基山脉医疗中心（科罗拉多州洛夫兰） |
| MCR | Melanocortin Receptor | 黑素皮质激素受体 |
| MCR | Master Change Request | 主变更请求 |
| MCR | Management Control Review | 管理控制评审 |
| MCR | Mission Control Room | 任务控制室 |
| MCR | Magnetic Cartridge Recorder | 盒式磁带录音机 |
| MCR | Multiple Channel Reservation | 多通道预留 |
| MCR | Management Consulting & Research, Inc. | 管理咨询与研究有限公司创立于1996年 |
| MCR | My Chemical Romance (band) | 我的化学罗曼史（乐队） |
| MCR | Mission Capability Requirements | 任务能力要求 |
| MCR | Mobile Cellular Radio | 移动蜂窝无线电 |
| MCR | Material Conformance Report | 材料一致性报告 |
| MCR | Manpower Change Request | 人力更换申请 |
| MCR | Military Contract Requirement(s) | 军事合同要求 |
| MCR | Material Change Request | 材料变更请求 |
| MCR | Marcellin College Randwick (Randwick NSW, Australia) | Marcelin College Randwick（澳大利亚新南威尔士州Randwick） |
| MCR | Main Control Room (nuclear power) | 主控制室（核电） |
| MCR | Minimum Creep Rate | 最小蠕变率 |
| MCR | message competition ratio | 信息竞争比 |
| MCR | M F S Charter Income Trust Fund | M F S特许收入信托基金 |
| MCR | microscopic conjunctivorhinostomy | 显微结膜鼻吻合术 |
| MCR | Microprocessor Clock Receiver (AT&T) | 微处理器的时钟接收器(AT&T) |
| MCR | Mirror Consistency Recovery | 镜像一致性恢复 |
| MCR | monocyte chemotactic responsiveness | 单核细胞趋化反应性 |
| MCR | Main Conference Room | 主会议室 |
| MCR | maximum contraction rate | 最大收缩率 |
| MCR | Material Condition Review | 材料条件审查 |
| MCR | mitral valve closing rate | 二尖瓣关闭率 |
| MCR | Memisa-Cordaid | Memisa科德 |
| MCR | matsubarasche's cutanreaction | (德)松原(氏)皮肤反应:癌反应 |
| MCR | micronomicin | 微诺霉素 |
| MCR | manchester comparative reagent | 曼彻斯特比较试剂 |
| MCR | macromomycin | 大霉素 |
| MCR | Michigan Court Rules | 密歇根州法院规则 |
| MCR | Middle Common Room | 中间公共休息室 |
| MCR | maximal contractile response | 最大收缩反应 |
| MCR | Main Control Room | 主控制室 |
| MCR | mother-child relationship | 母子关系 |
| MCR | Master Control Routine | 主控制程序 |
| MCR | Magnetic Character Reader | 磁性字符读取器 |
| MCR | Mutation Cluster Region | 突变簇区 |
| MCR | Mobile Control Room | 移动控制室 |
| MCR | Master Change Record | 主变更记录 |
| MCR | Microcirculation | 微循环 |
| MCR | Manufacturing Change Request | 制造变更请求 |
| MCR | Minimum Cell Rate | 最小信元速率 |
| MCR | Middle Common Room (UK universities) | 中间公共休息室（英国大学） |
| MCR | Multi-Channel Recorder | 多通道记录仪 |
| MCR | Minimum Course Requirements | 最低课程要求 |
| MCR | Modified Cash Refund (pension feature) | 修改后的现金退款（养老金功能） |
| MCR | Magnetic Card Reader | 磁卡读取器 |
| MCR | Maintenance Control Report | 维护控制报告 |
| MCR | Maximum Continuous Revolution (ship engines) | 最大连续转数（船舶发动机） |
| MCR | Military Civil Relations | 军民关系 |
| MCR | Master Control Relay | 主控制继电器 |
| MCR | MATLAB Component Runtime | MATLAB组件运行时 |
| MCR | Missouri Cancer Registry | 密苏里州癌症登记处 |
| MCR | Milestone Concurrence Review | 里程碑并发审核 |
| MCR | Manual Change Request | 手动更改请求 |
| MCR | Mid Course Review | 课程中期回顾 |
| MCR | Monitor Control Routines | 监控控制例程 |
| MCR | Map of Canada Reference (number) | 加拿大地图参考（编号） |
| MCR | Memory Card Reader | 存储卡读取器 |
| MCR | Modular Cellular Radio | 模块化蜂窝无线电 |
| MCR | Medical Cost Remedy, Inc. | 医疗费用补偿公司。 |
| MCR | Mobilization Contracting Requirement | 进场合同要求 |
| MCR | Middle Combination Room (UK universities) | 中间组合室（英国大学） |
| MCR | Multivariate Curve Resolution (spectral resolution technique) | 多变量曲线分辨率（光谱分辨率技术） |
| MCR | Machinery Control Room (ships) | 机械控制室（船舶） |
| MCR | Motor Control Room | 电机控制室 |
| MCR | Military Communications Requirement | 军事通信要求 |
| MCR | Molded Carrier Ring | 模制承载环 |
| MCR | Maricopa County Recorder (Arizona newspaper) | 马里科帕县记录员（亚利桑那州报纸） |
| MCR | Materials Control Requirement | 材料控制要求 |
| MCR | Microcompact Range | 微观冲击范围 |
| MCR | Multi-Command Regulation | 多命令调节 |
| MCR | Mutual Climatic Range (mathematical method for reconstructing palaeoclimates) | 相互气候范围（重建古气候的数学方法） |