| Acronym | Definition |
|---|
| OIM | Organizacion Internacional para las Migraciones |
| OIM | Organisation Internationale pour les Migrations (International Organization for Migration) |
| OIM | Oracle Identity Management |
| OIM | Offshore Installation Manager |
| OIM | Optical Interface Module |
| OIM | Operations and Information Management (various schools) |
| OIM | OSI Internet Management |
| OIM | Office of Income Maintenance (various states) |
| OIM | Office of the Independent Monitor (various locations) |
| OIM | Orientation Imaging Microscopy (metallography) |
| OIM | Office of Information Management |
| OIM | Open Information Model |
| OIM | Organic Input Material (California Department of Food and Agriculture) |
| OIM | Organisation Internationale pour la Migration (French) |
| OIM | Odense Internationale Musikteater (Odense, Denmark) |
| OIM | Operator Interface Module (hardware) |
| OIM | Operations Interface Module (Bellcore) |
| OIM | Oyster Island Mushrooms |
| OIM | Office of Incident Management (various organizations) |
| OIM | Organization for International Migration |
| OIM | Offline Instant Message |
| OIM | Office of Industrial Mobilization |
| OIM | Oregon Independent Miners |
| OIM | Oxygen Interaction with Materials |
| OIM | Orbit Insertion Maneuver (NASA) |
| OIM | Operational Infrastructure Management |
| OIM | Operating Instruction Manual |
| OIM | Organizational Intermediate Maintenance |
| OIM | Oculas Interactive Media |
| OIM | Ordained Interfaith Minister |