| DCAS | Data Collection and Analysis System | 数据收集与分析系统 |
| DCAS | Denton County Autism Society | 丹顿县自闭症协会 |
| DCAS | Digitally Controlled Audio System | 数字控制音频系统 |
| DCAS | Drugs and Community Action Strategy | 毒品和社区行动战略 |
| DCAS | Digital Consumer Audio System | 数字消费音频系统 |
| DCAS | Defense Contract Administration Services (DLA) | 国防合同管理服务（DLA） |
| DCAS | Database Commitment Accounting System | 数据库承诺会计系统 |
| DCAS | Dallas Circuits and Systems Workshop on System-On-Chip | 达拉斯电路与系统芯片研讨会 |
| DCAS | Defense Contract Administration Service | 国防合同管理局 |
| DCAS | Department of Citywide Administrative Services (New York City) | 全市行政服务部（纽约市） |
| DCAS | Deputy Commander Aerospace Systems | 航空航天系统副指挥官 |
| DCAS | Distributed Collaborative Adaptive Sensing | 分布式协作自适应传感 |
| DCAS | Downloadable Conditional Access System | 可下载的条件访问系统 |
| DCAS | Deputy Chief of Air Staff | 空军副参谋长 |
| DCAS | Defense Contract Audit Service | 国防合同审计处 |
| DCAS | Defense Cash Accountability System | 国防现金问责制 |
| DCAS | District Court Administration Software | 地区法院管理软件 |
| DCAS | Digital Cartographic System | 数字制图系统 |
| DCAS | Development Cooperation Assistance System | 发展合作援助系统 |
| DCAS | Department of City-wide Administrative Services | 全市行政服务部 |
| DCAS | Downloadable Conditional Access System (digital television) | 可下载条件接收系统（数字电视） |
| DCAS | Department of Construction and Administrative Services | 建筑和行政服务部 |
| DCAS | Direct Customer Access System | 直接客户访问系统 |