OC

Oc or OC may stand for:

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• Orange County, California: a county south of Los Angeles; population about 3,000,000; home to such cities as Anaheim, Huntington Beach, Newport Beach, San Juan Capistrano, and San Clemente; and the setting of a popular television program (see below).
• The O.C., American television show set in the aforementioned Orange County in California.
• Optical Carrier levels in the SONET fiber-optic network specification
• Oakland County, Michigan
• Oregon City, Oregon
• Occitan language
• The post-nominal letters for a Officer of the Order of Canada
• Overclocking
• Oleoresin Capsicum or Oleoresin Capsaicin, the active ingredient in pepper spray and OC gas
• Ocean City
• Obsessive-compulsive
• the art program openCanvas
• Street slang for Out of control
• Original Campaign, in the context of computer games. In other words, the default single player campaign that came with the game.