| Acronym | Definition |
|---|
| IIM | International Institute of Management (various locations) |
| IIM | Indian Institute of Management (main Management Institutes of India) |
| IIM | Institut Integriti Malaysia (Malay: Integrity Institute of Malaysia) |
| IIM | Institute of Information Management (various locations) |
| IIM | intelligent information management |
| IIM | Intelligence Information Management (US DoD) |
| IIM | Individual Indian Money (US Department of Interior) |
| IIM | Infinite Icon Menu |
| IIM | Intelligent Interrupt Management |
| IIM | Identified Internet Mail |
| IIM | Intelligent Isdn Manager |
| IIM | Institute of Interim Management (UK) |
| IIM | Instituto de Investigação Marinha (Portuguese: Institute of Marine Research) |
| IIM | Indian Institute of Metals (Calcutta, India) |
| IIM | Individual Indian Monies |
| IIM | Image Information Mining (earth observation) |
| IIM | Information Interchange Model (IPTC) |
| IIM | Integration in Manufacturing |
| IIM | Integrated Infrastructure Management (software) |
| IIM | Information and Integration Management (US DoD) |
| IIM | Identified Internet Mail (IETF) |
| IIM | Industrial Information Management |
| IIM | Integrated Identity Management (National Health Service; UK) |
| IIM | Immobilien Internet Marketing (Germany) |
| IIM | Installation Information Management |
| IIM | Integrated Instant Messaging |
| IIM | Interactive Interface Module |
| IIM | Institution of Industrial Managers |
| IIM | Institute of International Marketing (formerly Association of International Marketing; London, England, UK) |
| IIM | Installation Infrastructure Modernization Division (Army G-6) |
| IIM | International Internet Monitoring (Argus der Presse, AG) |