| Abbreviation | Definition |
|---|---|
| DDSD | Developmental Disabilities Service Division |
| DDSD | Developmental Disabilities Services DDS |
| DDSD | Developmental Disabilities Services Division |
| DDSD | Developmental Disabilities Supports Division |
| DDSM | Dealer Development Sales Manager |
| DDSO | Disability Development and Support Officer |
| DDSP | Disability Development Services Program |
| DDSP | District Development Support Programme |
| DDST | Denver Development Screening Test |
| DDT | D Development Tools |
| DDT | Drug Development Tools |
| DDTE | Design Development Test and Evaluation |
| DDTP | Diplomacy And Development Training Programme |
| DDTP | Drug Development Training Program |
| DDU | Diagnostics Development Unit |
| DDVB | Defiance Development and Visitors Bureau |
| DDVB | Defiance Development Visitors Bureau |
| DDWP | Departmental Development Working Party |
| DDWP | Divisional Development Working Party |
| DEAF | Development Education Accessibility And Fellowship |