OSC

OSC may refer to:

== 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 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.