Found 5 full forms for HDDD
| Term | Full Form | Category |
|---|---|---|
| HDDD | Headache Due to Drunkenness Disorder 
| Others |
| HDDD | Heavy Duty Diesel Diagnostics
| Others |
| HDDD | Hereditary Dysphasic Disinhibition Dementia
| Others |
| HDDD | High Desert Discovery District
| Others |
| HDDD | Honorably Discharged Dishonorably Deported
| Others |