| Acronym | Definition |
|---|
| OPR➣Operator |
| OPR➣Office of Primary Responsibility |
| OPR➣Open Peer Review |
| OPR➣Operations |
| OPR➣Office of Professional Responsibility |
| OPR➣Operate |
| OPR➣Overall Pressure Ratio |
| OPR➣Office of Professional Regulation (various locations) |
| OPR➣Office of Planning and Research |
| OPR➣Operation |
| OPR➣Out Pulse Rule |
| OPR➣Office Password Recovery |
| OPR➣Official Pattern Release |
| OPR➣Onshore Pipeline Regulations (Canada) |
| OPR➣Office of Population Research (Princeton University) |
| OPR➣Old Port Rum |
| OPR➣Offre Publique de Retrait |
| OPR➣Office of Parental Representation (various locations) |
| OPR➣Officer Performance Report |
| OPR➣Owner's Project Requirements (building design) |
| OPR➣Office of Parks and Recreation (Oakland, CA) |
| OPR➣Open Pattern Repository (software pattern project) |
| OPR➣Outside Pack Referee (Women's Flat Track Roller Derby) |
| OPR➣Office of Public Relations (Centers for Medicare & Medicaid Services) |
| OPR➣On Premise Reserve (aviation) |
| OPR➣Other People's Resources |
| OPR➣Office of Principal Responsibility |
| OPR➣Owner Program Requirements |
| OPR➣Online Public Relations |
| OPR➣Operation Patriot Readiness |
| OPR➣Operator Performance Rate |
| OPR➣Old Parochial Register (genealogy; UK) |
| OPR➣Official Poker Rankings (website) |
| OPR➣Old Prussian (linguistics) |
| OPR➣Optical Pattern Recognition |
| OPR➣Organización de Protección Reconocida |
| OPR➣Organization of the People of Rodrigues (Mauritius) |
| OPR➣Optical Power Received |
| OPR➣Old Plank Road (Irish acoustic band) |
| OPR➣Oracle Parallel Server (HP) |
| OPR➣Office of Prime Responsibility |
| OPR➣Overseas Publishers Representatives (New York, NY) |
| OPR➣Operating Pressure Ratio (jet engine compression ratio) |
| OPR➣Organization of Primary Responsibility |
| OPR➣Ongoing Precision Recovery |
| OPR➣Operational Project Requirements |
| OPR➣Office of Public Record |
| OPR➣Offsite Procurement Request |
| OPR➣Organizational Process Record |
| OPR➣Optimal Page Replacement |
| OPR➣Outside Plant Repeater (Hekimian) |
| OPR➣One Price Repair (various companies) |
| OPR➣Orthogonal Projection Routine |
| OPR➣Organizational Profitability Reporting |
| OPR➣Ohio Pig Roast (catering; Columbus, OH) |
| OPR➣Outage Probability Region |
| OPR➣Officer with Primary Responsibility |
| OPR➣Original Purchase Receipt |
| OPR➣Old People Rock |
| OPR➣Operability Recommendation (various organizations) |
| OPR➣Overall Project Review |