What does OPR stand for?

What does OPR mean?

OPR	Ottawa & Prescott Railway Regional » Railroads
OPR	Operator Governmental » Military
OPR	Office of Primary Responsibility Governmental » US Government
OPR	Office of Primary Responsibility Governmental » NASA
OPR	Office of Primary Responsibility Governmental » Military
OPR	Office of Professional Responsibility Governmental » FBI Files
OPR	Old Parish Records Community » Religion
OPR	Officer Performance Report Governmental » Military
OPR	Old Parochial Registers Community » Educational
OPR	Organization of Primary Responsibility Governmental » Military
OPR	Official Public Record Governmental » US Government
OPR	Oregon Pacific Railroad Company Regional » Railroads
OPR	Office Procedures Reinforcement Business » General
OPR	Ontario Pacific Railway Regional » Railroads
OPR	Operator Governmental » NASA
OPR	Oral Phonogram Review Medical » Hospitals
OPR	Overly Priced Rooms Business » General
OPR	Oxygen Pressure Regulator Governmental » NASA
OPR	Orbiter/Payload Recorder Governmental » NASA
OPR	Operations Planning Review Governmental » NASA
OPR	Operating Performance Regime Regional » Australian
OPR	Official Poker Rankings Community » Sports
OPR	opioid pain reliever Medical » Prescription