| Acronym | Meaning |
| DAS | Damage Assessment Strike |
| DAS | Data Analysis System |
| DAS | Data Assimilation System |
| DAS | Data Automation System |
| DAS | Date Arrived Station |
| DAS | Days At Sea (fishing) |
| DAS | Deep Air Strike |
| DAS | Deep Air Support (US Marine Corps; US DoD) |
| DAS | Defense Accounting System |
| DAS | Defense Acquisition System |
| DAS | Defense and Space |
| DAS | Defense Attaché System |
| DAS | Defense Audit Service |
| DAS | Defense Automated System (US DoD supply/logistics source) |
| DAS | Defensive Aid Subsystem |
| DAS | Defensive Aids Suites |
| DAS | Defensive Aids System (military aviation) |
| DAS | Defensive Avionics System |
| DAS | Deflection Amplifier Subsystem |
| DAS | Délégation aux Affaires Stratégiques (French: Strategic Affairs Delegation) |
| DAS | Demand Access Service |
| DAS | Departamento Administrativo de Seguridad (Colombian police branch) |
| DAS | Department of Administrative Services |
| DAS | Department of Animal Services (various locations) |
| DAS | Department of Applied Science |
| DAS | Deputy Assistant Secretary |
| DAS | Design and Access Statement (architectural planning; UK) |
| DAS | Dial-A-Sensor (ITT) |
| DAS | Digital Address System |
| DAS | Digital Analysis System |
| DAS | Digital Avionics System |
| DAS | Direct Access System |
| DAS | Direction Agrément et Spécifications (French: Licensing and Specifications Directorate; Belgium) |
| DAS | Direction des Affaires Sociales (French: Directorate of Social Affairs; various locations) |
| DAS | Director of the Army Staff |
| DAS | Disability Advisory Service (various organizations) |
| DAS | DISN ATM Service |
| DAS | Distributed Aperture System |
| DAS | Division for Aging Services |
| DAS | Division of Apprenticeship Standards (California) |
| DAS | Documentation Accountability Sheet |
| DAS | Driver Assistance System |
| DAS | Driving after Suspension (law) |
| DAS | Drug and Alcohol Screening (various organizations) |
| DAS | Drug and Alcohol Services (various locations) |