| Abbreviation | Definition |
|---|---|
| IM | Item Manager |
| IMC | Impress, Motivate, Connect |
| IME | Independent Medical Examiner |
| IMHA | Independent Mental Health Advocate |
| IMP | Internet Media Producer |
| IMS | Integrated Meetings Specialist |
| IMS | Internal Medicine Specialist |
| ING | Italian Night Girl |
| INRQ | INgenieur Responsible de la Qualite |
| IO | Information Officer |
| IO | Internet Officer |
| IOP | Integrated Occupational Program |
| IOP | Intensive Outpatient Program Intraocular Pressure |
| IOR | Inspector Of Record |
| IPA | Independent Public Accountant |
| IPA | Individual Pension Account |
| IPAA | Institute of Public Administration Australia |
| IPAS | Individual Personal Assistance Services |
| IPC | Import & Purchasing Coordinator |
| IPDP | Individual Professional Development Plan |