| Abbreviation | Definition |
|---|---|
| DDHA | Dayton Dental Hygienists Association |
| DDLA | Deep Draft Lubricant Association |
| DDLA | DUI Defense Lawyers Association |
| DDMA | Data Driven Marketing Association |
| DDMA | District Disaster Management Association |
| DDMA | Dutch Dialogue Marketing Association |
| DDNA | Downtown Dallas Neighborhood Association |
| DDSA | DeGroote Doctoral Students Association |
| DDSA | Durham Down Syndrome Association |
| DEA | Detectives' Endowment Association |
| DEAA | Department of English Alumni Association |
| DEAD | Dead E association |
| DEAW | Dance Educators Association of Washington |
| DECA | Diabetes Education and Camping Association |
| DELA | Drexler European Licensees Association |
| DEMA | Detention Equipment Manufacturers Association |
| DEMA | Dive Equipment Marketing Association |
| DEMA | Diving Equipment Marketing Association |
| DEMA | Domestic Estate Management Association |
| DEMA | Domestic Estate Managers Association |