| DAI | Direct Access Information | 直接存取信息 |
| DAI | Data Adapter Interface | 数据适配器接口 |
| DAI | Distributed Artificial Intelligence | 分布式人工智能 |
| DAI | Dansk Arbejder Idrætsforbund (Denmark) | Dansk Arbejder Idrætsforbund (Denmark) |
| DAI | Digital Audio Interface | 数字音频接口 |
| DAI | Direct AUTODIN Interface | 直接AUTODIN接口 |
| DAI | Defense Agency Initiative | 国防局倡议 |
| DAI | Deutsches Aktieninstitut eV | 德国原子能机构eV |
| DAI | Death from Accidental Injury | 意外伤害致死 |
| DAI | Doctors Associates, Inc (Milford, CT) | Doctors Associates，Inc（康涅狄格州米尔福德） |
| DAI | Dial Address Incoming | 拨入地址 |
| DAI | Direct Audio Input | 直接音频输入 |
| DAI | Development Alternatives Inc. | Development Alternatives公司。 |
| DAI | Deeper Accident Investigation | 更深入的事故调查 |
| DAI | Dougherty & Associates, Inc. (Alexandria, Virginia) | 和同事公司制作亚历山大,维吉尼亚州) |
| DAI | Device Application Interface | 设备应用程序界面 |
| DAI | Development Activity Information | 开发活动信息 |
| DAI | Dynamic ARP Inspection (Cisco) | 动态ARP检查（Cisco） |
| DAI | Days After Inoculation | 接种后天数 |
| DAI | Delivery Address Information (Canada Post) | 送货地址信息（加拿大邮政） |
| DAI | Digital Access Index | 数字访问索引 |
| DAI | Diffuse Axonal Injury | 弥漫性轴索损伤 |
| DAI | Detailed Architecture Inspection | 详细架构检查 |
| DAI | Do As Infinity (Japanese band) | Do As Infinity（日本乐队） |
| DAI | Derecho Arancelario de ImportaciÓn (Guatemala) | Derecho Arancelario de ImportaciÓn (Guatemala) |
| DAI | Delivery Agent Infrastructure | 交付代理基础设施 |
| DAI | Dissertation Abstracts International | 国际学位论文文摘 |
| DAI | Database Access And Integration | 数据库访问和集成 |
| DAI | death from accidental injuries | 意外伤害致死 |
| DAI | Digital Applications International | 数字应用国际 |
| DAI | Dispute Analysis and Investigations | 争议分析和调查 |
| DAI | Dewan Asuransi Indonesia | Dewan Asuransi印度尼西亚 |
| DAI | Director of Army Instruction | 陆军指令主任 |
| DAI | Daimler AG (stock symbol) | 戴姆勒股份公司（股票符号） |
| DAI | Drug Attitude Inventory | 药物态度调查表 |
| DAI | Damage Assessment Indicator | 损伤评估指标 |
| DAI | Diffuse Axonal Injury (brain contusion, neurology) | 弥漫性轴索损伤（脑挫伤、神经学） |
| DAI | Data Access Interface | 数据访问接口 |
| DAI | Direction Associates Inc (Anderson, IN) | Direction Associates Inc（印第安纳州安德森市） |
| DAI | Dangerous Anthropogenic Interference | 危险的人为干扰 |
| DAI | Diamond Aircraft Industries | 钻石飞机工业 |
| DAI | day after infection | 感染后一天 |