| MRCC | Maritime Rescue Co-ordination Centre | 海上救援协调中心 |
| MRCC | Missouri Registered City Clerk | 密苏里州注册市书记员 |
| MRCC | Modesto Radio Control Club | Modesto无线电控制俱乐部 |
| MRCC | Montana Raptor Conservation Center | 蒙大拿猛禽保护中心 |
| MRCC | Maritime Rescue Coordination Centre | 海上救援协调中心 |
| MRCC | Movement Report Control Center | 航行报告控制中心 |
| MRCC | Multi-Rate Congestion Control (web multicast transmission protocol) | 多速率拥塞控制（web多播传输协议） |
| MRCC | Metastatic Renal Cell Carcinoma | 转移性肾细胞癌 |
| MRCC | Micro RC Center | 微型RC中心 |
| MRCC | Medical Regulating Control Center | 医疗调控中心 |