- DMAS stands for Department of Medical Assistance Services (Virginia)
- DMAS stands for Direct Marketing Association of Singapore (est. 1983)
- DMAS stands for Division, Multiplication, Addition, Subraction
- DMAS stands for Data Management and Archiving System (Canada)
- DMAS stands for Diabetes Medication Assistance Service (Australia)
- DMAS stands for Data Management and Analysis Subcommittee
- DMAS stands for Dyna-Metric Microcomputer Analysis System
- DMAS stands for Digital Modular Avionics System
- DMAS stands for Distributed Multi-Agent System
- DMAS stands for Distributed Management Accounting System
- DMAS stands for Digital Multiplexed Audio System
DMAS