| Acronym | Definition |
|---|
| DIAS | Dynamic Information Architecture System |
| DIAS | Database on Introductions of Aquatic Species (FAO) |
| DIAS | Dublin Institute for Advanced Studies (Ireland) |
| DIAS | Detroit International Auto Salon (Allen Park, MI) |
| DIAS | Digital Information Archiving System |
| DIAS | Dynamic Image Analysis System |
| DIAS | Diabetes Advisory System |
| DIAS | Drop in Auto Sear (firearms) |
| DIAS | Deutsches Institut für Anlegerschutz (German: German Institute for Investors' Protection) |
| DIAS | Defence Intelligence Analysis Staff (UK MoD) |
| DIAS | Distributed Intelligent Actuators and Sensors |
| DIAS | Dynamic Inventory Analysis System |
| DIAS | Draw Includes All Survivors (Diplomacy boardgame) |
| DIAS | Design Implementation and Adaptation of Sensors (networks) |