| MRCI | Microelectronics Research and Communications Institute | 微电子研究与通信研究所 |
| MRCI | Modular Reconfigurable C4I Interface | 模块化可重构C4I接口 |
| MRCI | Migrant Rights Centre Ireland | 爱尔兰移民权利中心 |
| MRCI | Market Research & Consumer Intelligence | 市场调研及消费者的情报 |
| MRCI | Multi-Reference Configuration Interaction | 多参考配置交互 |
| MRCI | MinistÈre des Relations avec les Citoyens et de l'Immigration (Ministry for Citizen Relations and Immigration, Que | MinistÈre des Relations avec les Citoyens et de l'Immigration (Ministry for Citizen Relations and Immigration, Que |
| MRCI | Mankato Rehabilitation Center, Inc (Mankato, MN) | 曼卡托康复中心有限公司（明尼苏达州曼卡托） |
| MRCI | Mine Readiness Certification Inspection | 水雷战备合格检查 |
| MRCI | Mississippi River Conservation Initiative | 密西西比河保护倡议 |
| MRCI | Model Reference Current Injection | 模型参考电流注入 |