| RDCS | Radarman, Senior Chief (USN Rating) | Radarman，高级主管（USN评级） |
| RDCS | Radia Distributed Configuration Server | Radia分布式配置服务器 |
| RDCS | Real time Distributed Computing Systems Gmbh (Austria) | 实时分布式计算系统有限公司（奥地利） |
| RDCS | Registered Diagnostic Cardiac Sonographer (echocardiographic technologist, echotech) | 注册心脏超声诊断师（超声心动图技术专家，echotech） |
| RDCS | Reading Deaf Children's Society | 聋人儿童学会阅读 |
| RDCS | Reconfiguration Data Collection System | 重新配置数据采集系统 |
| RDCS | Rhayader and District Community Support (Wales) | Rhayader和地区社区支持（威尔士） |
| RDCS | Requirements for Design Compliance Statement (software design) | 设计符合性声明要求（软件设计） |
| RDCS | Registered Diagnostic Cardiac Sonographer | 注册心脏超声诊断仪 |
| RDCS | Regional Data Collection System | 区域数据收集系统 |