| Abbreviation | Definition |
|---|---|
| IADA | International Association for Dialogue Analysis |
| IADA | Iowa Automobile Dealers Association |
| IADC | International Association of Defense Counsel |
| IADDA | Idaho Association of Developmental Disabilities Agencies |
| IADDA | Illinois Alcoholism and Drug Dependence Association |
| IADE | International Association of Document Examiners |
| IADF | International Association of Development Funds |
| IADI | International Association of Deposit Insurers |
| IADL | International Association for Distance Learning |
| IADL | International Association of Democratic Lawyers |
| IADM | International Association for Dinnerware Matchers |
| IADM | International Association of Dinnerware Matchers |
| IADM | International Association of Disaster Management |
| IADMS | International Association for Dance Medicine Science |
| IADMS | International Association of Dance Medicine and Science |
| IADP | International Association of Dive Professionals |
| IADS | International Association of Department Stores |
| IADT | International Association for Dental Traumatology |
| IADT | International Association of Dental Traumatology |
| IAEA | International Association of Empirical Aesthetics |