| Abbreviation | Definition |
|---|---|
| OBRM | Ownership Based Resource Management |
| OCAM | Office of Center Administration and Management |
| OCCM | Office of Charge Card Management |
| OCCM | One Call Care Management |
| OCEM | Office of Consolidated Emergency Management |
| OCEM | Operational Customer Experience Management |
| OCM | Office for Coastal Management |
| OCM | Office of Classroom Management |
| OCM | Office of Crisis Management |
| OCM | Online Commerce Management |
| OCM | Organizational change management |
| OCMA | Office of Contractor Management and Administration |
| OCMB | Officer Career Management Board |
| OCMB | Offshore Clam Management Board |
| OCMG | One Connection Management Group |
| OCMG | Orlando Conference Management Group |
| OCMI | Organisation Cultural Maturity Index |
| OCML | Open Configuration and Management Layer |
| OCP | Operational Contingency Procedure |
| OCPM | Office of Civilian Personnel Management |