| MRCS | Multi-Rate Circuit Switching | 多速率电路交换 |
| MRCS | Member of the Royal College of Surgeons (of England) | (英国) 皇家外科医师学会会员 |
| MRCS | Multiple Report Creation System | 多报表创建系统 |
| MRCS | Senior Chief Machinery Repairman (Naval Rating) | 高级首席机械修理师（海军等级） |
| MRCS | Machinery Room Control Station | 机房控制站 |
| MRCS | Member of the Royal College of Surgeons | 皇家外科学院成员 |
| MRCS | Mission Readiness Certification System | 任务就绪认证系统 |
| MRCS | Mini-Rooter Cutter Set | 迷你生根刀组 |
| MRCS | Macaulay Research Consultancy Services, Ltd (UK) | 麦考利研究咨询服务有限公司（英国） |
| MRCS | Multi-Residential & Commercial Services (remodeling company; Atlanta, Georgia) | Multi-Residential及商业服务公司(重构,乔治亚州亚特兰大) |
| MRCS | Monostatic Radar Cross-Section | 单站雷达截面 |