MDDR
| Acronym | Definition |
|---|---|
| MDDR | Movement for the Defence of Democratic Rights (Sri Lanka) |
| MDDR | Market Driven Demand Response (Global Energy Partners, LLC; Electric Power Research Institute) |
| MDDR | Masters in Dentistry (various universities) |
| MDDR | Major Depressive Disorder in Remission |
| MDDR | Mitral Diastolic Descent Rate |