| Abbreviation | Definition |
|---|---|
| ICRC | Inquiries, Complaints and Reports Committee |
| ICSA | Institute of Chartered Secretaries and Administrators |
| ICSA | International Council of Securities Associations |
| ICSC | International Computer Security Association |
| ICSSR | Indian Council of Social Science Research |
| ICT | Institute for Counter-Terrorism |
| ICWA | International Coil Winding Association |
| ID | Interior Design |
| IDA | International Door Association |
| IDA | Investment Dealers Association |
| IDBA | IDaho Bankers Association |
| IDBA | Indo-Danish Business Association |
| IDBC | Indo - Dutch Business Circle |
| IDC | Interior Designers of Canada |
| IDCAS | International Development Council for Academic Studies |
| IDEA | Illinois Drafting Educators Association |
| IDEA | Internet Developers Exchange of Austin |
| IDEA | Interprofessional Drug Education Alliance |
| IDEG | International Diabetes Epidemiology Group |
| IDF | Independent Doctors Federation |