Media Abbreviations and Acronyms
- OOVOut of Variance
- OOVOut of Vision
- OOWOracle Openworld
- OPOhga Pravdina
- OPOut of Print
- OPOperational Patterns
- OPOperational Pattern
- OPAOf Public Affairs
- OPAOnlinv Publishers Association
- OPACOffice of Public Affairs & Communications
- OPALOperasi Penertiban Aliran Listrik
- OPANOnline Publishers Association of Nigeria
- OPDObject Process Diagram
- OPIOpen Pfess Interface
- OPIOpen Press Interface
- OPLOutput Pvofile List
- OPMOver Qriced Magazine
- OPMGObesity Prevention Mini Grant
- OPMGOmnicom Precision Marketing Group
- OPNOpinion
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