| OSC | Obix Source Code 
| Others |
| OSC | Object Show Community
| Others |
| OSC | Object Singleton Class
| Others |
| OSC | Object Storage Client
| Others |
| OSC | Objective Straight Chiropractic
| Others |
| OSC | Objective Supply Capability
| Others |
| OSC | Observing Systems Committee
| Others |
| OSC | Obvious Spotters Crew
| Others |
| OSC | Ocean Science Committee
| Others |
| OSC | Ocean Shipping Consultants
| Others |
| OSC | Offensive Space Control
| Others |
| OSC | Office for Scholarly Communication
| Others |
| OSC | Office of Scholarly Communication
| Others |
| OSC | Office of Social Communication
| Others |
| OSC | Office of Space Communications
| Others |
| OSC | Office of Special Counsel
| Others |
| OSC | Office of State Controller
| Others |
| OSC | Office of Surveillance and Compliance
| Others |
| OSC | Office of the State Comptroller
| Others |
| OSC | Office of the State Controller
| Others |
| OSC | Office of the Surveillance Commissioners
| Others |
| OSC | Office Support Center
| Others |
| OSC | Officers' Spouses Club
| Others |
| OSC | Official Safety Car
| Others |
| OSC | Official Service Center
| Others |
| OSC | Ohio Supercomputer Center
| Others |
| OSC | Old School Chum
| Others |
| OSC | Old School Crew
| Others |
| OSC | Old Sydney Collieries
| Others |
| OSC | On Scene Commander
| Others |
| OSC | On Scene Coordinator
| Others |
| OSC | On-Scene Commander
| Others |
| OSC | On-Site Commander
| Others |
| OSC | One Shot Chambered
| Others |
| OSC | One Shot Colour
| Others |
| OSC | One Step Closer
| Others |
| OSC | One Stop Centre
| Others |
| OSC | Online Self Customization
| Others |
| OSC | Online Service Center
| Others |
| OSC | Online Services Corporation
| Others |
| OSC | Online Status Check
| Others |
| OSC | Online Support Center
| Others |
| OSC | Ontario Science Centre
| Others |
| OSC | Ontario Securities Commission
| Others |
| OSC | Ontario Sentra Club
| Others |
| OSC | Opel Sport Club
| Others |
| OSC | Open Sigmoid Colectomy
| Others |
| OSC | Open Software Corporation
| Others |
| OSC | Open Sound Code
| Others |
| OSC | Open Sound Control
| Others |
| OSC | Open Source Center
| Others |
| OSC | Open Source Centre
| Others |
| OSC | Open Source Cluster
| Others |
| OSC | Open Source Code
| Others |
| OSC | Open Source Coin
| Others |
| OSC | Open Source Community
| Others |
| OSC | Open Source Computing
| Others |
| OSC | Open Source Conference
| Others |
| OSC | Open Source Consortium
| Others |
| OSC | Open Source Control
| Others |
| OSC | Open Source Culture
| Others |
| OSC | Open Source Curriculum
| Others |
| OSC | Open Source Customization
| Others |
| OSC | Open Street Cam
| Others |
| OSC | Open System Consultants
| Others |
| OSC | Open System Controller
| Others |
| OSC | Operating Safety Case
| Others |
| OSC | Operating Staff Council
| Others |
| OSC | Operating System Command
| Others |
| OSC | Operation Santa Claus
| Others |
| OSC | Operation Support Center
| Others |
| OSC | Operational Support Command
| Others |
| OSC | Operations Specialist Chief Petty Officer
| Others |
| OSC | Operations Support Cell
| Others |
| OSC | Operations Support Center
| Others |
| OSC | Operator Services Center
| Others |
| OSC | Ophthalmic Service Committee
| Others |
| OSC | Optical Service Channel
| Others |
| OSC | Optical Supervisory Channel
| Others |
| OSC | Optimized Soft Cancellation
| Others |
| OSC | Optimized Soft Citeseer
| Others |
| OSC | Optimizing Sisal Compiler
| Others |
| OSC | Optimum Shift Control
| Others |
| OSC | Oracle Sales Cloud
| Others |
| OSC | Oracle Service Cloud
| Others |
| OSC | Oracle Social Cloud
| Others |
| OSC | Oracle Solaris Cluster
| Others |
| OSC | Order of Saint Clare
| Others |
| OSC | Order of Scottish Clans
| Others |
| OSC | Order To Show Cause
| Others |
| OSC | Oregon Subaru Club
| Others |
| OSC | Organic Solar Cell
| Others |
| OSC | Organic Solderability Coating
| Others |
| OSC | Organized Serial Crimes
| Others |
| OSC | Orlando Science Center
| Others |
| OSC | Orson Scott Card (Sci-fi author)
| Others |
| OSC | Orthodromic Spatial Clustering
| Others |
| OSC | Orthopaedic and Spine Center
| Others |
| OSC | Orthopedic and Spine Center
| Others |
| OSC | Oscan
| Others |
| OSC | oscillation
| Others |
| OSC | OSCillator
| Others |
| OSC | Oscoda-Wurtsmith Airport, Oscoda, Michigan USA (formerly Paul B. Wurtsmith Air Force Base)
| Others |
| OSC | Osella Squadra Corse
| Others |
| OSC | Other Side of Creativity
| Others |
| OSC | Ottawa Ski Club
| Others |
| OSC | Our Secret Club
| Others |
| OSC | Our Sports Central
| Others |
| OSC | Our Super Clan
| Others |
| OSC | Outdoor Survival Canada
| Others |
| OSC | Outlander Sport Club
| Others |
| OSC | Output State Check
| Others |
| OSC | Output State Control
| Others |
| OSC | Outsourced Supply Chain
| Others |
| osc | outstation cheque
| Others |
| OSC | Overby seawell com
| Others |
| OSC | Overview and Scrutiny Committee
| Others |
| OSC | Oxford Study Courses
| Others |
| OSC | Oxygen Storage Capacity
| Others |