| Abbreviation | Definition |
|---|---|
| OIM | Oracle Internet Management |
| OIM | OSG Information Management |
| OIMB | Oil Industry Management Bureau |
| OIMP | Office of Internal Management and Planning |
| OIMS | Offender Information Management System |
| OIMS | Offender Integrated Management System |
| OIMS | ONCALL Incident Management System |
| OIMS | Open Inventory Management System |
| OIMS | Operational Integrity Management System |
| OIMS | Operations Integrity Management Systems |
| OIMS | Order and Inventory Management System |
| OIOS | Office of Internal Oversight Services |
| OIPM | Office of Intellectual Property Management |
| OIPM | Office of Interdisciplinary Program Management |
| OKHIMA | Oklahoma Health Information Management Association |
| OKMD | Office of Knowledge Management and Development |
| OKRs | Objectives and Key Results |
| OLCMS | Online Legal Case Management System |
| OLCMS | Online Legal Caseload Management System |
| OLCMS | Open Learning Content Management System |