| OMR | Oasis Management Resources 
| Others |
| OMR | Obvious Main Road
| Others |
| OMR | Office of Mental Retardation
| Others |
| OMR | Office of Mine Reclamation
| Others |
| OMR | Official Membership Report
| Others |
| OMR | Official Model Repository
| Others |
| OMR | Officine Meccaniche Rezzatesi
| Others |
| OMR | Oh My Ra
| Others |
| OMR | Oh My Rowling
| Others |
| OMR | Oil Market Report
| Others |
| OMR | Olchak Market Research
| Others |
| OMR | Old and Middle Rivers
| Others |
| OMR | Old Mahabalipuram Road
| Others |
| OMR | Old Man Racing
| Others |
| OMR | Omani Rial
| Others |
| OMR | One More Round
| Others |
| OMR | Online Marketing Rockstars
| Others |
| OMR | Online Membership Reporting
| Others |
| OMR | Online Motor Racing
| Others |
| OMR | Ontario Medical Review
| Others |
| OMR | Operations and Maintenance Requirement
| Others |
| OMR | Operations and Maintenance Requirements
| Others |
| OMR | Operations Management Room
| Others |
| OMR | Optical Magnetic Recognition
| Others |
| OMR | Optical Mark Read
| Others |
| OMR | Optical Mark Reader
| Others |
| OMR | Optical Mark Reading
| Others |
| OMR | Optical Mark Recognisation
| Others |
| OMR | Optical Mark Recognition
| Others |
| OMR | Optical Message Reader
| Others |
| OMR | Optical Microscope Resolution
| Others |
| OMR | Optical Music Recognition
| Others |
| OMR | Optical Music Recognizer
| Others |
| OMR | Option Mark Reader
| Others |
| OMR | Oracle Maintenance Release
| Others |
| OMR | Oracle Management Repository
| Others |
| OMR | Orbea Monocoque Race
| Others |
| OMR | Orbiter Management Review
| Others |
| OMR | Original Mark Reader
| Others |