| Acronym | Definition |
|---|
| DAG | Database Availability Group (Microsoft Exchange) |
| DAG | Directed Acyclic Graph |
| DAG | Diacylglycerol |
| DAG | Department of Agriculture |
| DAG | Deputy Attorney General |
| DAG | Dipartimento dell'Amministrazione Generale (Italian: Department of General Administration) |
| DAG | Dogu Anadolu Gözlemevi (Turkish: Eastern Anatolia Observatory) |
| DAG | Data Acquisition Group |
| DAG | Data Address Generator |
| DAG | Distributed Application Gateway |
| DAG | Delivery Assurance Group |
| DAG | Dekagram |
| DAG | Deutsche Angestellten Gewerkschaft (Germen union) |
| DAG | Development Assistance Group |
| DAG | Disability Action Group (various locations) |
| DAG | Design Advisory Group (various organizations) |
| DAG | Direction de l'Administration Générale (French: Directorate of General Administration) |
| DAG | Downtown Art Gallery (California) |
| DAG | Devon Association of Governors (academic society; UK) |
| DAG | Détachement Aérien Gendarmerie (French: Air Force Detachment) |
| DAG | Data Analysis Group |
| DAG | Dystrophin-Associated Glycoproteins |
| DAG | Diplôme d'Agronomie Générale (French: Diploma of General Agronomy) |
| DAG | Defense Acquisition Guide |
| DAG | Deputy Auditor General |
| DAG | Direct Access Government (UK) |
| DAG | Division Artillery Group (Opposing Forces) |
| DAG | Déménagements Antilles Guyane (French moving company) |
| DAG | Data Authentication Group |
| DAG | Democrats Abroad Germany |
| DAG | Decagram or Dekagram |
| DAG | Defensive Aids Group (electronic warfare self-protection system for aircraft) |
| DAG | Defense Agencies Group |
| DAG | David Allen Greer (TV) |
| DAG | Division Advisory Group |
| DAG | DMS Advisory Group |
| DAG | Domain Advisory Group |
| DAG | Discriminators And Ghosts |
| DAG | Drums Access Gateway (Sprint) |
| DAG | DSCC Acquisition Guide (Defense Supply Center Columbus, OH) |
| DAG | Dialysis Access Graft |
| DAG | Derivatives Accounting Group |