OSC

Organizations

Odborové sdružení československé, the Czechoslovak Trade Union Association
Office of Special Counsel (in the United States of America)
Ohio Supercomputer Center, a computing research facility in Columbus
Onslow County Schools, a school district in Onslow County, North Carolina
Ontario Science Centre, a science museum in Toronto, Canada
Ontario Securities Commission, a securities regulatory agency
Open Source Center, a United States government center that provides analysis of open-source intelligence
Orbital Sciences Corporation, a satellite-oriented company
Order of Saint Clare, a Religious Order founded by Clare of Assisi whose members use the post-nominal letters O.S.C.
Ordo Sanctae Crucis or Canons Regular of the Order of the Holy Cross, a Roman Catholic religious order commonly called Crosiers
Orlando Science Center, a science-education establishment in Florida
Overseas School of Colombo, a multinational English medium international school located in Colombo, Sri Lanka.

Open Sound Control, a music-oriented electronic communications protocol used in computers and multimedia devices
openSUSE Command-line tool, a command-line tool used for openSUSE build service
Orthogonal signal correction, a spectral preprocessing technique
Operating system command, one of the C0 and C1 control codes
Optical Signature Code, an industry standard format for LWIR signatures.