| Acronym | Definition |
|---|
| DAI | Development Alternatives Inc. |
| DAI | Daimler AG (stock symbol) |
| DAI | Distributed Artificial Intelligence |
| DAI | Do As Infinity (Japanese band) |
| DAI | Dynamic ARP Inspection (Cisco) |
| DAI | Dissertation Abstracts International |
| DAI | Diffuse Axonal Injury (brain contusion, neurology) |
| DAI | Dansk Arbejder Idrætsforbund (Denmark) |
| DAI | Direct Audio Input (assistive listening device) |
| DAI | Digital Access Index |
| DAI | Digital Audio Interface |
| DAI | Days After Inoculation |
| DAI | Dangerous Anthropogenic Interference |
| DAI | Drug Attitude Inventory |
| DAI | Diamond Aircraft Industries |
| DAI | Defense Agency Initiative |
| DAI | Digital Applications International |
| DAI | Dallas Area Interfaith (Texas; est. 1990) |
| DAI | Device Application Interface |
| DAI | Dewan Asuransi Indonesia |
| DAI | Doctors Associates, Inc (Milford, CT) |
| DAI | Development Activity Information |
| DAI | Director of Army Instruction |
| DAI | Dougherty & Associates, Inc. (Alexandria, Virginia) |
| DAI | Derecho Arancelario de Importación (Guatemala) |
| DAI | Development Alternative Incorporated |
| DAI | Death from Accidental Injury |
| DAI | Dispute Analysis and Investigations |
| DAI | Damage Assessment Indicator |
| DAI | Dial Address Incoming |
| DAI | Deutsches Aktieninstitut eV |
| DAI | Delivery Address Information (Canada Post) |
| DAI | Delivery Agent Infrastructure |
| DAI | Detailed Architecture Inspection |
| DAI | Direct AUTODIN Interface |
| DAI | Direction Associates Inc (Anderson, IN) |
| DAI | Design Architecture Intérieur (French: Interior Design Architecture) |
| DAI | Department of Artificial Intelligence |
| DAI | Driving After Imbibing (Pennsylvania) |
| DAI | Direction des Affaires Internationales (French: Department of International Affairs; various locations) |
| DAI | Détecteur Automatique d'Incendie (French: Automatic Fire Detectors) |
| DAI | Deutsches Archäologisches Institut (German: German Archaeological Institute) |
| DAI | Défibrillateur Automatique Implantable (French: Implantable Cardiology Defibrillator) |