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