| Acronym | Definition |
|---|
| DEMS➣Department of Extra Mural Studies (various locations) |
| DEMS➣Digital Electronic Message Service |
| DEMS➣Department of Earth and Marine Sciences (Australia) |
| DEMS➣Duke Ellington Music Society |
| DEMS➣Dépannage Électroménager Services (French: Electronics Troubleshooting Services) |
| DEMS➣Differential Electrochemical Mass Spectrometry |
| DEMS➣Defensively Equipped Merchant Ship |
| DEMS➣Digital Electronic Messaging Service |
| DEMS➣Deployment Management System |
| DEMS➣Data Entry Management System |
| DEMS➣Diplôme d'Etat de Musique Supérieur (French: Music Advanced State Diploma) |