| IADA | Idaho Automobile Dealers Association 
| Others |
| IADA | Illinois Athletic Directors Association
| Others |
| IADA | Illinois Automobile Dealers Association
| Others |
| IADA | Imams Against Domestic Abuse
| Others |
| IADA | Independent Authorised Distributor Alliance
| Others |
| IADA | Independent Auto Dealers' AutoPortal
| Others |
| IADA | Independent Automobile Dealers Association
| Others |
| IADA | Independent Automotive Damage Appraisers
| Others |
| IADA | INDEX Architecture Design Awards
| Others |
| IADA | Indian Academy of Dramatic Arts
| Others |
| IADA | Indiana Activity Directors Association
| Others |
| IADA | Inland Auto Dismantlers Association
| Others |
| IADA | Inland Automotive Dismantlers Association
| Others |
| IADA | Innovative Assessment Demonstration Authority
| Others |
| IADA | International Aircraft Dealers Association
| Others |
| IADA | International Association for Dialogue Analysis
| Others |
| IADA | Internationale Arbeitsgemeinschaft der Archiv
| Others |
| IADA | Intra Asia Discussion Agreement
| Others |
| IADA | Iowa Automobile Dealers Association
| Others |
| IADA | Iranian American Dental Association
| Others |