| OPC | Objective Performance Criteria 
| Others |
| OPC | Occupant Protection for Children
| Others |
| OPC | Ocean Prediction Center
| Others |
| OPC | Ocean Products Center
| Others |
| OPC | Ocean Protection
| Others |
| OPC | Ocean Protection Council
| Others |
| OPC | Oceans Players Club
| Others |
| OPC | Odstock Parish Council
| Others |
| OPC | Odua Peoples Congress
| Others |
| OPC | Off Peak Car
| Others |
| OPC | Off Premise Contact
| Others |
| OPC | Office Of People's Counsel
| Others |
| OPC | Office of Police Complaints
| Others |
| OPC | Office of the Parliamentary Counsel
| Others |
| OPC | Office of the People's Counsel
| Others |
| OPC | Office Pipe Cleaner
| Others |
| OPC | Official Pace Car
| Others |
| OPC | Offshore Patrol Cutter
| Others |
| OPC | Oglethorpe Power Corp
| Others |
| OPC | Oglethorpe Power Corporation
| Others |
| OPC | Oh the Pitiful Collation
| Others |
| OPC | Oil Performance Check
| Others |
| OPC | Oil Primary Control
| Others |
| OPC | Oklahoma Premier Clubs
| Others |
| OPC | Older Persons Commission
| Others |
| OPC | Older Persons' Commission
| Others |
| OPC | Older Person`s Clinic
| Others |
| OPC | Ole For Proccess Control
| Others |
| OPC | OLE for Process Control
| Others |
| OPC | Oligomere Proantho Cyanidin
| Others |
| OPC | Oligomeric ProanthoCyanidin
| Others |
| OPC | Oligomeric Proanthocyanidins
| Others |
| OPC | On Package Cache
| Others |
| OPC | On Programmable Chip
| Others |
| OPC | One Page Checkout
| Others |
| OPC | One Person Company
| Others |
| OPC | Online Parish Clerk
| Others |
| OPC | Online Parish Clerks
| Others |
| OPC | Online Photo Center
| Others |
| OPC | Online Public Catalog
| Others |
| OPC | Only Perfect Church
| Others |
| OPC | Onondaga Pathways to Careers
| Others |
| OPC | Ontario Police College
| Others |
| OPC | Ontario Press Council
| Others |
| OPC | Ontario Prospect Challenge
| Others |
| OPC | Oodua Peoples Congress
| Others |
| OPC | Oongan Peace Crew
| Others |
| OPC | Opel Performance Car
| Others |
| OPC | Opel Performance Cars
| Others |
| OPC | Opel Performance Center
| Others |
| OPC | Opel Performance Centre
| Others |
| OPC | Open Carriage
| Others |
| OPC | Open Packaging Conventions
| Others |
| OPC | Open Pixel Control
| Others |
| OPC | Open Plant Cleaning
| Others |
| OPC | Open Platform Communications
| Others |
| OPC | Open Platforms Communication
| Others |
| OPC | Open Process Control
| Others |
| OPC | Open Productive Communications
| Others |
| OPC | Openess Productivity and Collaboration
| Others |
| OPC | Openess, Productivity, Collaboration
| Others |
| OPC | Openness Productivity And Collaboration
| Others |
| OPC | Openness Productivity and Connectivity
| Others |
| OPC | Operating Centre
| Others |
| OPC | Operating Peoples Computer
| Others |
| OPC | Operations Procurement Contracts
| Others |
| OPC | Operator Presence Control
| Others |
| OPC | Optical Particle Counter
| Others |
| OPC | Optical Passive Component
| Others |
| OPC | Optical Photo Conductor
| Others |
| OPC | Optical Processing Calibration
| Others |
| OPC | Optical Proximity Correction
| Others |
| OPC | Optimal Performance Calculator
| Others |
| OPC | Optimal Pressable Ceramic
| Others |
| OPC | Optimum Power Calibration
| Others |
| OPC | Optimum Power Control
| Others |
| OPC | Optional Payment Charge
| Others |
| OPC | Oracle Pre-Compiler
| Others |
| OPC | Oracle Public Cloud
| Others |
| OPC | Order of Protective Custody
| Others |
| OPC | Ordinary Portland Cement
| Others |
| OPC | Oregon Psychoanalytic Center
| Others |
| OPC | Organic Photo Conductor
| Others |
| OPC | Organic Photo-Conductor
| Others |
| OPC | Original Post Count
| Others |
| OPC | Originating Point Code
| Others |
| OPC | Originating Point Codes
| Others |
| OPC | OroPharyngeal Candidiasis
| Others |
| OPC | Orthodox Presbyterian Church
| Others |
| OPC | Orthotic Prosthetic Center
| Others |
| OPC | Other Parks Corrector
| Others |
| OPC | Other Peoples' Clothes
| Others |
| OPC | Otsuka Pharmaceutical Company
| Others |
| OPC | Out-Patient Care
| Others |
| OPC | Out-Patient Clinic
| Others |
| OPC | Outdoor Pursuits Centre
| Others |
| OPC | OutPatient Clinic
| Others |
| OPC | Outpatient Procedure Component
| Others |
| OPC | Output Packet Counter
| Others |
| OPC | Outside Public Contact
| Others |
| OPC | Ovamboland People's Congress
| Others |
| OPC | Overland Park Cinema
| Others |
| OPC | Overland Park Cinemas
| Others |
| OPC | Overseas Press Club
| Others |
| OPC | Own Point Code
| Others |
| OPC | Oxford Park Commission
| Others |
| OPC | Programmers Connection
| Others |