| RDAC | Research, Development, & Acquisition Committee | 研究、开发、获取委员会 |
| RDAC | Research, Development and Acquisition Council | 研究、开发和收购委员会 |
| RDAC | Redundant Disk Array Controller | 冗余磁盘阵列控制器 |
| RDAC | Remote Device Array Controller (Swisslog) | 远程设备阵列控制器（Swisslog） |
| RDAC | Remote Data Acquisition and Control | 远程数据采集和控制 |
| RDAC | Rapid Damage Assessment Capability | 快速损伤评估能力 |
| RDAC | Roland Digital Audio Compression | Roland数字音频压缩 |
| RDAC | Report of the Department of Antiquities, Cyprus | 塞浦路斯文物部的报告 |
| RDAC | Recombinant DNA Advisory Committee (India) | 重组DNA咨询委员会（印度） |
| RDAC | Research and Development Advisory Council | 研究与发展咨询委员会 |
| RDAC | Rehabilitation of Drought Affected Communities | 受干旱影响社区的恢复 |
| RDAC | Robust Dynamic Admission Control | 鲁棒动态接纳控制 |
| RDAC | Rapid Diagnostic and Assessment Centre | 快速诊断和评估中心 |