| Acronym | Definition |
|---|
| UIM | Unified Infrastructure Manager (EMC Corporation) |
| UIM | User Interface Manager |
| UIM | Unit Information Module |
| UIM | Universal Instant Messenger |
| UIM | User Identity Module |
| UIM | University Institute of Management (India) |
| UIM | Union Internationale Motonautique |
| UIM | University of Idaho, Moscow |
| UIM | User Interface Manager (IBM OS390) |
| UIM | Underground Infrastructure Management (magazine) |
| UIM | Universal Identity Module |
| UIM | Université Internationale du Multimédia (French: International University of Multimedia; France) |
| UIM | Upstream Integration Model (business model) |
| UIM | Unified Identity Manager (software) |
| UIM | Union Internationale des Magistrats (French: International Association of Judges) |
| UIM | Ultra-Intelligent Machine |
| UIM | Ultimate Iron Man |
| UIM | Un-Insured Motorist |
| UIM | Ufficio Informazioni Militaire (Italian: Military Information Office) |