| HADS | Harrisburg Area Dental Society Harrisburg Area Dental Society 
| Others |
| HADS | Helicopter Air Data System
| Others |
| HADS | Hellenic American Dental Society
| Others |
| HADS | Henley In Arden Drama Society
| Others |
| HADS | High Alert Dynamic Security
| Others |
| HADS | Horsell Amateur Dramatic Society
| Others |
| HADS | Hospital Anxiety and Depression scales
| Others |
| HADS | Hospital Anxiety and Depression Score
| Others |
| HADS | Hospital Anxiety and Depressive/Depression Scale
| Others |
| HADS | Hospital Anxiety Depression Scales
| Others |
| HADS | Hospital Anxity Depression Scale
| Others |
| HADS | Hostile Action Displacement System
| Others |
| HADS | Housing Affordability Data System
| Others |
| HADS | Hydrometeorological Automated Data System
| Others |