| Acronym | Definition |
|---|
| OSC➣Ontario Securities Commission |
| OSC➣Office of Special Counsel |
| OSC➣Oscillator |
| OSC➣Ontario Science Centre (Canada) |
| OSC➣Office of Science (US Department of Energy) |
| OSC➣Osceola (Amtrak station code; Osceola, IA) |
| OSC➣Organizaciones de la Sociedad Civil (Spanish: Civil Society Organizations) |
| OSC➣Orlando Science Center |
| OSC➣Oklahoma State Cowboys (Oklahoma State University; Stillwater, OK) |
| OSC➣Office of the State Controller |
| OSC➣Open Source Community (computing) |
| OSC➣Ohio Supercomputer Center |
| OSC➣Orson Scott Card (science fiction author) |
| OSC➣Olympic Studies Centre (International Olympic Committee) |
| OSC➣Order to Show Cause |
| OSC➣Organisations de la Société Civile (French) |
| OSC➣Open Space Conservation (zoning; various locations) |
| OSC➣Office of Student Conduct (various schools) |
| OSC➣Official Supporters Club (fan clubs) |
| OSC➣On-Scene Coordinator |
| OSC➣Operating System Command |
| OSC➣Online Support Center |
| OSC➣Open Source Consortium |
| OSC➣Open Source Computing |
| OSC➣Open Source Cluster |
| OSC➣Open Software Corporation |
| OSC➣on Scene Coordinator |
| OSC➣Optical Service Channel |
| OSC➣Object Storage Client |
| OSC➣Operator Services Center |
| OSC➣Open System Controller |
| OSC➣Open Source Code |
| OSC➣Open Sound Code |
| OSC➣One Stop Centre |
| OSC➣Outsourced Supply Chain |
| OSC➣Open System Consultants |
| OSC➣Online Status Check |
| OSC➣Open Source Culture |
| OSC➣Open Source Centre |
| OSC➣Oregon State College |
| OSC➣One Step Closer |
| OSC➣Outpatient Surgery Center (various locations) |
| OSC➣Optical Supervisory Channel |
| OSC➣Optical Service Channel (Ciena) |
| OSC➣Organisationsberatung Supervision Coaching (German: Organizational Consulting Coaching Supervision; publication) |
| OSC➣Orbital Sciences Corporation |
| OSC➣Operation Support Center (Schaumburg, IL) |
| OSC➣Oscan (linguistics) |
| OSC➣Osaka Station City (Osaka, Japan) |
| OSC➣On-Scene Commander |
| OSC➣Operations Service Center (various companies) |
| OSC➣Oakville Soccer Club (est. 1972; Oakville, Ontario, Canada) |
| OSC➣openSUSE Conference (computing) |
| OSC➣Operation Second Chance (Clarksburg, MD) |
| OSC➣Omics Science Center (Japan) |
| OSC➣OpenSound Control |
| OSC➣Overview and Scrutiny Committee |
| OSC➣Ohio Supreme Court (judiciary) |
| OSC➣Occupational Safety Committee (various locations) |
| OSC➣Operation Safe Commerce |
| OSC➣Operations Support Center |
| OSC➣Olney Swim Center (Olney, MD) |
| OSC➣Operations Section Chief |
| OSC➣Operating System Capabilities (computing) |
| OSC➣Oxygen Storage Capacity |
| OSC➣Operations Support Command |
| OSC➣Out-of-School Care |
| OSC➣Online Support Center (various organizations) |
| OSC➣Operational Support Command (US DoD) |
| OSC➣Other Significant Contributor (status; various organizations) |
| OSC➣On Screen Controller (media players) |
| OSC➣Office of Scholarly Communication |
| OSC➣Open Star Clusters (astronomy) |
| OSC➣Open Space Council (various locations) |
| OSC➣Open Source Culture (software) |
| OSC➣Operations Systems Center |
| OSC➣Old State Capitol (Louisiana) |
| OSC➣Office of Security Cooperation |
| OSC➣Oxford Supercomputing Centre |
| OSC➣Osteoporosis Society of Canada |
| OSC➣Online Service Centre |
| OSC➣Operational Status Check (readiness test step, especially used for voting systems hardware) |
| OSC➣Online Support Community (various organizations) |
| OSC➣Official Staff Commentary (various organizations) |
| OSC➣Official Supporting Committee |
| OSC➣Officer's Spouses' Club (USAF) |
| OSC➣Oncological Sciences Center (Purdue University; Indiana) |
| OSC➣Open Source Curriculum (computing resource) |
| OSC➣Optical SuperComputing (workshop) |
| OSC➣Oregon Spirit Chorus (Salem, OR) |
| OSC➣Ogden Service Center |
| OSC➣On-Site Certification (various organizations) |
| OSC➣Open Set Condition (mathematics) |
| OSC➣Office of Space Communications (NASA) |
| OSC➣Oil Spill Commission |
| OSC➣On Site Consultant |
| OSC➣Objective Supply Capability |
| OSC➣Open Source Creativity |
| OSC➣Office Supply Connection (Minnesota) |
| OSC➣Oregon Stroke Center (est. 1979) |
| OSC➣Office of Special Concerns (Philippines) |
| OSC➣Office of the Secretary of the Commonwealth (various locations) |
| OSC➣Chief Operations Specialist (US Navy) |
| OSC➣Ocean Sailing Club |
| OSC➣Onshore Slug Catcher |
| OSC➣Operating System Chooser |
| OSC➣Oxford Soccer Club (Oxford, NC) |
| OSC➣Optical Signature Code |
| OSC➣Organization Structure Code |
| OSC➣Optical Sensor Converter |
| OSC➣Ontario Systems Corporation |
| OSC➣Ocean Shipping Consultants Limited (Surrey, England) |
| OSC➣Operating System Component |
| OSC➣Optical Scanning Cryptography |
| OSC➣Own Ship's Course |
| OSC➣Own-Ship Course |
| OSC➣Online Sexual Compulsivity |
| OSC➣Olympic Sports Club |
| OSC➣Outside Speakers Committee |
| OSC➣Organizational Supply Code |
| OSC➣Obstruent Sequencing Constraint |
| OSC➣Operations Summary Console |
| OSC➣Oneway Subjourney Check for Normal Fares (airfare construction) |
| OSC➣Office of Standards Compliance |
| OSC➣Overseas Senior Cambridge |
| OSC➣Operational Site Certification |
| OSC➣Open Space Cooling System |
| OSC➣Operators Services Complex |
| OSC➣Other Significant Causes (autopsy report) |
| OSC➣Opportunistic Secondary Channel |
| OSC➣Optical Selective Combiner |
| OSC➣Object Sub-class Code |
| OSC➣Canons Regular of the Order of the Holy Cross, Crosier Fathers (religious order) |
| OSC➣Overlapped-Subarray Correlogram |
| OSC➣Operations Support Call |
| OSC➣Operation Summary Console |
| OSC➣Office Symbol Code |