| JSC | Jakarta Satria Club 
| Others |
| JSC | Jason Siew Chee
| Others |
| JSC | Java Script Compiler
| Others |
| JSC | Java Script Core
| Others |
| JSC | Java Studio Creator
| Others |
| JSC | Java Swing Connection
| Others |
| JSC | Javan Sports Cars
| Others |
| JSC | Jazeera Satellite Channel
| Others |
| JSC | Jemion Samson Chikwudi
| Others |
| JSC | Jewish Service Corps
| Others |
| JSC | John Sexton Corporation
| Others |
| JSC | Johnson Space Center
| Others |
| JSC | Johnson State College
| Others |
| JSC | Joint Scientific Committee
| Others |
| JSC | Joint Scientific Committee for the WCRP
| Others |
| JSC | Joint Security Coordinator
| Others |
| JSC | Joint Spectrum Center
| Others |
| JSC | Joint Steering Committee
| Others |
| JSC | Joint Stock Company
| Others |
| JSC | Journal of Symbolic Computation
| Others |
| JSC | Joystick Steering Controller
| Others |
| JSC | Judge of the Superior Court
| Others |
| JSC | Julia Stoschek Collection
| Others |
| JSC | Julich Supercomputing Centre
| Others |
| JSC | Junior School Certificate
| Others |
| JSC | Junior Science College
| Others |
| JSC | Jurisdiction Specific Constant
| Others |
| JSC | Just Simply Computer
| Others |
| JSC | Juvenile Scribblers Club
| Others |
| JSC | Lyndon Baines Johnson Space Center
| Others |