Police Abbreviations and Acronyms
- OPObservation Post
- OPAOffice of Professional Accountability
- OPAOfwicial Police Action
- OPAOfficial Police Action
- OPBOther Peoples' Babies
- OPBOther Peoples Babies
- OPCOrder of Protective Custody
- OPCCOffice of the Police Complaint Commissioner
- OPCROffice of Police Conduct Review
- OPDOperations Department
- OPDOakland Police Department
- OPDOakland Police Dept
- OPDOdessa Police Department
- OPDOntario Police Dept
- OPDOmaha Police Department
- OPDOwensboro Police Department
- OPDOrlando Police Department
- OPGOfficial Police Garages
- OPGOfficial Police Garage
- OPGOrbital Police Guard
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