| Acronym | Definition |
|---|
| DEMA | Delaware Emergency Management Agency |
| DEMA | Département d'Etudes du Monde Anglophone (French: Department of Anglophone World Studies) |
| DEMA | Danish Emergency Management Agency (Denmark) |
| DEMA | Department of Emergency and Military Affairs |
| DEMA | Dive Equipment & Marketing Association |
| DEMA | Differential Electromagnetic Analysis |
| DEMA | Dépannage Équipement Maintenance Automatisme (French: Troubleshooting Equipment Maintenance Automation) |
| DEMA | Data Entry Management Association |
| DEMA | Domestic Estate Managers Association (est. 2007) |
| DEMA | Diesel Engine Manufacturer's Association |
| DEMA | Diesel Electric Manufacturer's Association |
| DEMA | Dauphin Emergency Management Agency |
| DEMA | Daily Exponential Moving Average |
| DEMA | Decoupled Multi-User Acquisition |