| OSCAR | Obedience Safety Courtesy Ambulation Respect 
| Others |
| OSCAR | Object Oriented Source Code Abstraction Representation
| Others |
| OSCAR | Objective, Subjective, Correlation, And Results
| Others |
| OSCAR | Occupation and Skill Computer Assisted Researcher
| Others |
| OSCAR | Occupational Skills Competition And Review
| Others |
| OSCAR | Offering Subsidized Care for Animal Recovery
| Others |
| OSCAR | Office of Student Creative Activity and Research
| Others |
| OSCAR | Office Supply Collection And Reuse
| Others |
| OSCAR | Ofw Student Consulting And Research
| Others |
| OSCAR | Ohio State Capabilities Assessment for Readiness
| Others |
| OSCAR | Ohio State Catalog For Automated Retrieval
| Others |
| OSCAR | Ohio State Catalog Of Automated Resources
| Others |
| OSCAR | Ohio State Catalog of Automated Retrieval
| Others |
| OSCAR | Oil Springs Cultural Arts and Recreation
| Others |
| OSCAR | One Step Closer Animal Rescue
| Others |
| OSCAR | One Stop Centre for Advice and Resources
| Others |
| OSCAR | One Stop Clinic for Assessment of Risk
| Others |
| OSCAR | One Stop Credentialing and Registration
| Others |
| OSCAR | Online Software Catalog And Reference
| Others |
| OSCAR | Online Song Contest Accumulated Ranking
| Others |
| OSCAR | Online Student Computer Assisted Registration
| Others |
| OSCAR | Online Survey Certification And Reporting
| Others |
| OSCAR | Online Sustainable Conservation Assistance Resource
| Others |
| OSCAR | Online System for Central Accounting and Reporting
| Others |
| OSCAR | Online System for Clerkship Application and Review
| Others |
| OSCAR | Online System for Commentary And Response
| Others |
| OSCAR | Open School Courses And Resources
| Others |
| OSCAR | Open source Capability Assessment Radar
| Others |
| OSCAR | Open Source Clinical Application and Resource
| Others |
| OSCAR | Open Source Clinical Application Resource
| Others |
| OSCAR | Open Source Clinical Applications Resource
| Others |
| OSCAR | Open Source Cluster Application Resource
| Others |
| OSCAR | Open Source Cluster Application Resources
| Others |
| OSCAR | Open Source Component Application Runtime
| Others |
| OSCAR | Open Standard Codes And Routine
| Others |
| OSCAR | Open Standard Codes And Routines
| Others |
| OSCAR | Open Standards for Container Allowing Reuse
| Others |
| OSCAR | Openness Service Community Amazing and Respect
| Others |
| OSCAR | Operational Stress Control And Readiness
| Others |
| OSCAR | Opportunity, Success, Careers, Attractions, and Recreation
| Others |
| OSCAR | Optical Scanning Computer Assisted Registration
| Others |
| OSCAR | Optical Soil Canopy Atmosphere Radiance
| Others |
| OSCAR | Optical Storage Compressed Audio Replay
| Others |
| OSCAR | Optimally SCheduled Advanced MultiprocessoR
| Others |
| OSCAR | ORACLE System for Center Automation and Retrieval
| Others |
| OSCAR | Orbital Satellite Carrying Amateur Radio
| Others |
| OSCAR | Orbiting Satellite Carrying Amateur Radio
| Others |
| OSCAR | Ordnance Survey Centre Alignment of Roads
| Others |
| OSCAR | OSHA on-Site Consultation Achievement Recognition
| Others |
| OSCAR | Oshkosh Service Catalogue and Request
| Others |
| OSCAR | Our School Can Achieve Results
| Others |
| OSCAR | Our School Cares About Reading
| Others |
| OSCAR | Our School Cares About Recycling
| Others |
| OSCAR | Our School Community Actively Recycling
| Others |
| OSCAR | Out Of School Care And Recreation
| Others |
| OSCAR | Out of School Care At the Ridge
| Others |
| OSCAR | Outer Space Collector of Astronomical Radiation
| Others |
| OSCAR | Outside Cable Rehabilitation
| Others |
| OSCAR | Outstanding Service Contributed And Recognized
| Others |
| OSCAR | Outstanding Service Contribution and Achievement Recognition
| Others |
| OSCAR | Outstanding Subsurface Contributions Achievements And Results
| Others |
| OSCAR | Overseas Student Central Advice Resource
| Others |