Occupation & positions Abbreviations and Acronyms
- OMFSOral and Maxillofacial Surgeon
- OMHOnline Marketing Hero
- OMTOrthopaedic Manipulative Physiotherapist
- OMWOperation Michigan Works
- ONCOncle ( French: Uncle)
- ONEOver Nearly Everyone
- OOGOlive Oil Guru
- OOHOccupational Outlook Handbook
- OOROccupational Outlook Reports
- OPOfficial Photographer
- OPAOverseas Performing Artist
- OPACOffice Proficiency Assessment and Certification
- OPCOnline Parish Clerks
- OPCSOnline Parish Clerks
- OPDOccupational Property Databank
- OPEOshkosh Placement Exchange
- OPEBOther Post-Employment Benefits
- OPEBSOther Post-Employment Benefits
- OPHOphthalmologist
- OPLOld Pushy Liturgist
Last updated: — Total entries: 4,113