OGC

OGC may refer to:


 * Oculogyric crisis, a dystonic reaction to certain drugs and/or medical conditions
 * Office of Government Commerce, a department of the government of the United Kingdom
 * O.G.C. (band), a hip hop group from Brooklyn, New York
 * OGC Nice French association football club based in Nice
 * Open Geospatial Consortium, a standards organization for geospatial information systems
 * Oregon Graduate Center, a private college in suburban Portland, Oregon
 * Organic Christ Generation, a sect in Switzerland
 * Organically Grown Company (Oregon), an organic produce wholesale company