| OPM | Object Process Methodology 
| Others |
| OPM | Object Properties Manager
| Others |
| OPM | Object-Process Methodology
| Others |
| OPM | Occupational Performance Model
| Others |
| OPM | Occupational Psychology Matters
| Others |
| OPM | Office of Personnel Management
| Others |
| OPM | Office of Personnel Managment
| Others |
| OPM | Office of Pest Management
| Others |
| OPM | Office of Policy and Management
| Others |
| OPM | Office of Price Management
| Others |
| OPM | Office of Purchasing Management
| Others |
| OPM | Office of the Program Manager
| Others |
| OPM | Office Personnel Management
| Others |
| OPM | Offices Professional Missionaries
| Others |
| OPM | Official Parallel Market
| Others |
| OPM | Official Playstation Magazines
| Others |
| OPM | Ohio Precious Metals
| Others |
| OPM | Oil Pump
| Others |
| OPM | One Piece Magnesium
| Others |
| OPM | One Punch Man
| Others |
| OPM | One-Province Minor
| Others |
| OPM | Online Performance Marketing
| Others |
| OPM | Online Process Monitor
| Others |
| OPM | Online Project Management
| Others |
| OPM | Open Peoples Minds
| Others |
| OPM | Open Policy Meeting
| Others |
| OPM | Open PostgreSQL Monitoring
| Others |
| OPM | Open Proxy Monitor
| Others |
| OPM | Opening People's Minds
| Others |
| OPM | Opening Peoples' Minds
| Others |
| OPM | Operational Procedues Manual
| Others |
| OPM | Operations and Personnel Management
| Others |
| OPM | Operations Per Minute
| Others |
| OPM | Optical Passthru Module
| Others |
| OPM | Optical Performance Monitor
| Others |
| OPM | Optical Power Meter
| Others |
| OPM | Optimal Probability Measure
| Others |
| OPM | Oracle Process Manufacturing
| Others |
| OPM | Oracle Property Manager
| Others |
| OPM | Organic Pest Management
| Others |
| OPM | Organisasi Papua Merdeka
| Others |
| OPM | Organizational Performance Management
| Others |
| OPM | Organizational Process Management
| Others |
| OPM | Organizational Process Modelling
| Others |
| OPM | Orientations of Proteins in Membranes
| Others |
| OPM | Original Peoples Mind
| Others |
| OPM | Original Pilipino Music
| Others |
| OPM | Original Pinoy Music
| Others |
| OPM | Original Program Model
| Others |
| OPM | Original Programming Model
| Others |
| OPM | Other People's Money
| Others |
| OPM | Other People's Music
| Others |
| OPM | Other Peoples Money
| Others |
| OPM | Our Peoples' Money
| Others |
| OPM | Outage Performance Monitoring
| Others |
| OPM | Output Protection Management
| Others |
| OPM | Outsourced Program Management
| Others |
| OPM | Outsourced Program Manager
| Others |
| OPM | Over Priced Magazine
| Others |
| OPM | Overflow of Praise Music
| Others |
| OPM | Owner President Management
| Others |
| OPM | Owner/President Management
| Others |
| OPM | Oxford Performance Materials
| Others |