| Acronym | Definition |
|---|
| DCAS | Department of Citywide Administrative Services (New York City) |
| DCAS | Dublin College of Advanced Studies (Ireland; est. 2007) |
| DCAS | Distance Control Assist System |
| DCAS | Distributed, Collaborative, Adaptive Sensing (networks) |
| DCAS | Downloadable Conditional Access System (digital television) |
| DCAS | Delaware County Aquarium Society (Springfield, PA) |
| DCAS | Defense Contract Administration Services (DLA) |
| DCAS | Distance Control Assist System (Nissan) |
| DCAS | Defense Cash Accountability System |
| DCAS | Deputy Chief of Air Staff |
| DCAS | Dakota County Agricultural Society (Minnesota) |
| DCAS | Database Commitment Accounting System |
| DCAS | Direct Customer Access System |
| DCAS | Data Collection and Analysis System |
| DCAS | Durham Children's Aid Society (Canada) |
| DCAS | Digitally Controlled Audio System |
| DCAS | Deputy Commander Aerospace Systems |
| DCAS | Digital Cartographic System |
| DCAS | Defense Contract Audit Service |
| DCAS | Dallas Circuits and Systems Workshop on System-On-Chip |