| DMDD | Deciphering the Mechanisms of Developmental Disorders 
| Others |
| DMDD | Defense Medical Data Dictionary
| Others |
| DMDD | Diagnosis Mood in Direct Dose
| Others |
| DMDD | Digital Meteorological Data Dissemination
| Others |
| DMDD | Disruptive Mood Dysregulation Disorder
| Others |
| DMDD | Distributed Multiplexing Distributed Demultiplexing
| Others |
| DMDD | Drug Metabolism and Disposition Division
| Others |
| DMDD | Dysruptive Mood Dysregulation Disorder
| Others |