| Abbreviation | Definition |
|---|---|
| IIAM | Indian Institute of Arbitration Mediation |
| IIAM | Institute for Infrastructure Asset Management |
| IIAM | Institute of Internal Auditors MALAYSIA |
| IIAM | Integral Institute of Advanced Management |
| IIAM | International Institute for the Advancement of Medicine |
| IIAP | Institute for Informatics and Automation Problems |
| IIAP | Institute of Internal Auditors Philippines |
| IIAR | Illinois Institute for Addiction Recovery |
| IIAR | Indian Institute of Advanced Research |
| IIAR | Institute of Industry Analyst Relations |
| IIAR | International Institute of Ammonia Refrigeration |
| IIAS | Indian Institute of Advanced Study |
| IIAS | International Institute for Archival Science |
| IIAS | International Institute for Asian Studies |
| IIAS | International Institute of Administrative Sciences |
| IIAV | International Institute of Acoustics and Vibration |
| IIB | Institute for International Business |
| IIB | International Institute of Boston |
| IIB | International Institute of Buffalo |
| IIBI | Iowa Institute for Biomedical Imaging |