| Acronym | Definition |
|---|
| DAA | Digital/Analog/Analog (audio CD format, recording/mixing/mastering) |
| DAA | Designated Approving Authority |
| DAA | Dublin Airport Authority (Ireland) |
| DAA | Data Access Arrangement |
| DAA | Distributed Application Architecture |
| DAA | Detect and Avoid (wireless networking) |
| DAA | Direct Access Arrangement |
| DAA | Digest Access Authentication |
| DAA | Draper Aden Associates (Blacksburg, VA) |
| DAA | Designated Accrediting Authority |
| DAA | Designated Approval Authority (less common) |
| DAA | Diacetone Alcohol |
| DAA | Defense Authorization Act (Public Law) |
| DAA | Dieticians Association of Australia (Deakin, ACT, Australia) |
| DAA | Distinguished Achievement Award |
| DAA | Deputy Assistant Administrator |
| DAA | Days After Anthesis |
| DAA | Decimal Adjust for Addition |
| DAA | Diplôme d'Agronomie Approfondie |
| DAA | Data Authentication Algorithm |
| DAA | Deputy Associate Administrator |
| DAA | Design and Analysis of Algorithms |
| DAA | Document Availability Authorization |
| DAA | Department of Astronomy and Astrophysics (University of Toronto) |
| DAA | Dominion Automobile Association |
| DAA | Drug Addicts Anonymous (recovery support group) |
| DAA | Device Access Architecture (Viero) |
| DAA | Designated Accreditation Authority |
| DAA | Distributed Active Archive |
| DAA | Default Aversion Assistance (student loans) |
| DAA | Drug Addiction and or Alcoholism |
| DAA | Dental Anthropology Association |
| DAA | Delaware Apartment Association (Newark, DE) |
| DAA | Distribution Automatique d'Appels |
| DAA | Data Access Agent |
| DAA | Design Automation Assistant |
| DAA | Data Acquisition Assembly |
| DAA | display alternate area routing lists (US DoD) |
| DAA | Designated Auditing Agency (New Zealand) |
| DAA | Dine Across America |
| DAA | Droplet Aerosol Analyser |
| DAA | Data Accountability |
| DAA | Data Asset Analysis |
| DAA | Downing Aviation Associates |
| DAA | Depot Access Agreement (UK railways) |
| DAA | Dual-Antenna Array |
| DAA | Defense Auditing Agency |
| DAA | Dental Assistants' Association of Australia Inc. |
| DAA | Direct Attack Aircraft |
| DAA | Decision Aid Application |
| DAA | Doppler Air Alignment |
| DAA | Diploma in Archive Administration |
| DAA | Definitive Alliance Agreement |
| DAA | Diaspora and Art |
| DAA | Distinguished Alumni Award (various schools) |
| DAA | Decatur Arts Alliance (Decatur, GA) |
| DAA | Dépendant Affectif Anonyme (French: Emotional Dependency Anonymous; Canada) |
| DAA | Duke Alumni Association (Duke University; North Carolina) |
| DAA | Doylestown Athletic Association (est. 1968) |
| DAA | Direct Antiviral Agent (hepatitis therapy) |
| DAA | Dancing about Architecture |
| DAA | Dynamic Asset Allocation (investing) |