| DAA | Digital Audio Assistant | 数字音频助手 |
| DAA | Data Access Arrangement | 数据存取装置 |
| DAA | Dominion Automobile Association | 多米尼克汽车协会 |
| DAA | Dental Assistants' Association of Australia Inc. | 牙科助理协会澳大利亚 |
| DAA | Dental Anthropology Association | 牙科人类学协会 |
| DAA | Delaware Apartment Association (Newark, DE) | 特拉华州公寓协会（纽瓦克，DE） |
| DAA | Dieticians Association of Australia (Deakin, ACT, Australia) | 澳大利亚营养师协会（澳大利亚首都迪肯） |
| DAA | Days After Anthesis | 花后天数 |
| DAA | Data Access Agent | 数据访问代理 |
| DAA | Diaspora and Art | 流散与艺术 |
| DAA | Diacetone Alcohol | 双丙酮酒精 |
| DAA | Digest Access Authentication | 摘要访问认证 |
| DAA | Direct Attack Aircraft | 直接攻击飞机 |
| DAA | Deputy Associate Administrator | 副副署长 |
| DAA | diacetone acrylamide | 二丙酮丙烯酰胺 |
| DAA | Defense Auditing Agency | 国防审计局 |
| DAA | Design Automation Assistant | 设计自动化助理 |
| DAA | Distinguished Achievement Award | 杰出成就奖 |
| DAA | Data Acquisition Assembly | 数据采集组件 |
| DAA | Digital Association Area | 数字关联区域 |
| DAA | Droplet Aerosol Analyser | 液滴气溶胶分析仪 |
| DAA | Data Authentication Algorithm | 数据认证算法 |
| DAA | Drug Addiction and or Alcoholism | 吸毒和\/或酗酒 |
| DAA | Diploma in Archive Administration | 档案管理文凭 |
| DAA | Default Aversion Assistance (student loans) | 违约规避援助（学生贷款） |
| DAA | Deputy Assistant Administrator | 副助理管理员 |
| DAA | Device Access Architecture (Viero) | 设备访问架构（Viero） |
| DAA | Designated Approval Authority (less common) | 指定审批机构（不太常见） |
| DAA | Design and Analysis of Algorithms | 算法设计与分析 |
| DAA | Decimal Adjust after Addition | 相加后的小数调整 |
| DAA | Decimal Adjust After | 小数调整后 |
| DAA | Defense Authorization Act (Public Law) | 国防授权法（公法） |
| DAA | Draper Aden Associates (Blacksburg, VA) | Draper Aden Associates（弗吉尼亚州布莱克斯堡） |
| DAA | Distributed Application Architecture | 分布式应用程序体系结构 |
| DAA | Diplôme d'Agronomie Approfondie | Diplôme d'Agronomie Approfondie |
| DAA | Designated Accrediting Authority | 指定认证机构 |
| DAA | diacetone amine | 二丙酮胺 |
| DAA | didehydroanhydroanthramycin | 二脱水乙酰淀粉 |
| DAA | Definitive Alliance Agreement | 最终联盟协议 |
| DAA | Decimal Adjust Accumulator | 十进制调整累加器 |
| DAA | Depot Access Agreement (UK railways) | 车辆段准入协议（英国铁路） |
| DAA | Digital/Analog/Analog (audio CD format, recording/mixing/mastering) | 数字/模拟/模拟(音频CD唱片/混音格式,掌握) |
| DAA | Dine Across America | 在美国各地用餐 |
| DAA | Document Availability Authorization | 文档可用性授权 |
| DAA | Data Asset Analysis | 数据资产分析 |
| DAA | Dual-Antenna Array | 双天线阵列 |
| DAA | display alternate area routing lists (US DoD) | 显示备用区域路由列表（美国国防部） |
| DAA | Direct Access Arrangement | 直接访问安排 |
| DAA | Decimal Adjust for Addition | 加法小数调整 |
| DAA | Decision Aid Application | 决策辅助应用程序 |
| DAA | Distributed Active Archive | 分布式活动存档 |
| DAA | Department of Astronomy and Astrophysics (University of Toronto) | 天文和天体物理学系（多伦多大学） |
| DAA | Data Accountability | 数据责任 |
| DAA | Distribution Automatique d'Appels | Automatique d 'Appels分布 |
| DAA | Designated Accreditation Authority | 指定委派员 |
| DAA | Data Availability Acknowledgment | 数据可用性确认 |
| DAA | Downing Aviation Associates | 唐宁航空公司 |
| DAA | Designated Auditing Agency (New Zealand) | 指定审计机构（新西兰） |
| DAA | Designing Analysis And Algorithm | 设计分析与算法 |
| DAA | Doppler Air Alignment | 多普勒空气校准 |
| DAA | Designated Approving Authority | 指定许可机构 |