| DCAS | Dare County Alternative School 
| Others |
| DCAS | Data Center Automation Suite
| Others |
| DCAS | Data Challenges and Appeals Solution
| Others |
| DCAS | Data Collection and Analysis System
| Others |
| DCAS | Database Commitment Accounting System
| Others |
| DCAS | Dealer Computing Application System
| Others |
| DCAS | Defense Casualty Analysis System
| Others |
| DCAS | Defense Contract Administration Service
| Others |
| DCAS | Defense Contract Administration Services
| Others |
| DCAS | Defense Contract Administrative Service
| Others |
| DCAS | DeKalb County Animal Services
| Others |
| DCAS | Delaware Comprehensive Assessment System
| Others |
| DCAS | Delaware County Aquarium Society
| Others |
| DCAS | Denton County Autism Society
| Others |
| DCAS | Department of City-wide Administrative Services
| Others |
| DCAS | Department of Citywide Administrative Services
| Others |
| DCAS | Department of Construction and Administrative Services
| Others |
| DCAS | Deputy Chief of the Air Staff
| Others |
| DCAS | Derive Computer Algebra System
| Others |
| DCAS | Desktop cDNA Annotation System
| Others |
| DCAS | Development Cooperation Assistance System
| Others |
| DCAS | Devon and Cornwall Archery Society
| Others |
| DCAS | Digital Consumer Audio System
| Others |
| DCAS | Diplomatic Clearance Application System
| Others |
| DCAS | Distance Control Assist System
| Others |
| DCAS | Distributed Collaborative Adaptive Sensing
| Others |
| DCAS | District Court Administration Software
| Others |
| DCAS | Division of Compensation Analysis and Support
| Others |
| DCAS | Double compare and swap
| Others |
| DCAS | Double Compare-And-Swap
| Others |
| DCAS | Downloadable Conditional Access System
| Others |
| DCAS | Drugs and Community Action Strategy
| Others |
| DCAS | Dublin College of Advanced Studies
| Others |
| DCAS | Dynamic Computer Algebra System
| Others |