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
• Office of the General Counsel, in many corporations and public institutions
• Open Geospatial Consortium, a standards organization for geospatial information systems
• Orchestral Game Music Concerts, a series concerts of video game music performed in Tokyo, Japan
• Organically Grown Company, an organic produce wholesale company
• Originoo Gunn Clappaz, a hip hop group from Brooklyn, New York
• Outwood Grange College, a large British secondary school and sixth form in Wakefield, West Yorkshire
• Giuseppe Conzo's Observatory, an astronomical place to observe the sky