| DAA | Designated Accrediting Authority 
| Others |
| DAA | Designated Approving Authority
| Others |
| DAA | Designated Audit Agency
| Others |
| DAA | Designers Against Aids
| Others |
| DAA | Detection And Avoid
| Others |
| DAA | Development Action Association
| Others |
| DAA | Dietitians Association of Australia
| Others |
| DAA | Digital Advertising Alliance
| Others |
| DAA | Digital Analog Analog
| Others |
| DAA | Digital Analytics Association
| Others |
| DAA | Digital Artists Agency
| Others |
| DAA | Digital Assets Arrays
| Others |
| DAA | Digital Association Area
| Others |
| DAA | Direct Access Archive
| Others |
| DAA | Direct Access Arrangement
| Others |
| DAA | Direct Acting Antiviral
| Others |
| DAA | Direct-Acting Antiviral
| Others |
| DAA | Directory Assistance Automation
| Others |
| DAA | Disability Awareness in Action
| Others |
| DAA | Display Alternate Area routing lists
| Others |
| DAA | Dispositif d'Auto-Alignement
| Others |
| DAA | Distributed Analysis Architecture
| Others |
| DAA | Distributed Application Architecture
| Others |
| DAA | Document Availability Authorization
| Others |
| DAA | Dominion Automobile Association
| Others |
| DAA | Dominion Automobile Association (Canada)
| Others |
| DAA | Dose Administration Aid
| Others |
| DAA | Double A-Arm
| Others |
| DAA | Double Alpha Academy
| Others |
| DAA | Downtown Austin Alliance
| Others |
| DAA | Doylestown Athletic Association
| Others |
| DAA | Draper Aden Associates
| Others |
| DAA | Dreaming About Activities
| Others |
| DAA | Drive Away Assistant
| Others |
| DAA | Driveline Angle Analyzer
| Others |
| DAA | Driver Activity Assistant
| Others |
| DAA | Driver Attention Alert
| Others |
| DAA | Drug Addicts Anonymous
| Others |
| DAA | Dublin Airport Authority
| Others |
| DAA | Duke Alumni Association
| Others |
| DAA | Durham Academy Above
| Others |
| DAA | Durham Academy After
| Others |
| DAA | Dust And Ashes
| Others |
| DAAA | Dallas Area Agency on Aging
| Others |
| DAAA | Detroit Area Agency on Aging
| Others |
| DAAA | Division of Alcoholism and Alcohol Abuse
| Others |
| DAAA | Dominica Amateur Athletic Association
| Others |
| DAAA | Drive Alert Arrive Alive
| Others |
| DAAA | Dwarf Athletic Association of America
| Others |
| DAAA(s) | Direct-acting antiviral agent(s)
| Others |