| Abbreviation | Definition |
|---|---|
| OPMS | Organic Pest Management Solutions |
| OPMS | Orthodontic Practice Management System |
| OPMS | Out Patient Management System |
| OPMT | Office of Program Management and Technology |
| OPMT | Office of Project Management and Training |
| OPMT | Other Party Management Team |
| OPPM | Office of Performance and Personnel Management |
| OPPM | Office of Planning and Performance Management |
| OPPM | Oracle Primavera Portfolio Management |
| OPPM | Organisational Policies and Procedures Manual |
| OPTIMUS | Online Personal Time and Information Management Utility System |
| OPTM | One Page Talent Management |
| OQM | Organic Quality Management |
| OQM | Organizational Quality Management |
| OQM | Oriented Quality Management |
| ORM | Office of Resolution Management |
| ORM | Office of Risk Management |
| ORM | Olympic Resource Management |
| ORMIS | Online Reporting Management Information Systems |
| ORMIS | Operating Room Management Information System |