CC in Roman numerals is 200.

CC may stand for:

• Air Atlanta Icelandic (IATA code)
• Calculate with Concepts (a method for creating conceptual models)
• Campaign Cartographer
• Cannibal Corpse (heavy metal band)
• Cape Cod
• Case Closed (a.k.a. Detective Conan)
• Catholic Central High School (private high school in Redford, Michigan)
• CC the cat was the world's first cloned pet (in 2001)
• Chrono Cross (PlayStation game)
• Circuit City
• closed captioning (television)
• Coburger Convent
• Coca-Cola (a soft drink)
• Cocos (Keeling) Islands (ISO 3166 digram)
• Colorado College
• Common Criteria
• Community College
• Companion of the Order of Canada
• Consular Corps (corps consulaire).
• Seireki (calendar used in the anime series Turn A Gundam, unofficially translated from Japanese as Correct Century)
• County council
• Creative Commons
• Credit card
• Crowd Control (in MMORPG parlance)
• Culture Club

cc may stand for:

• C compiler
• Calculating with concepts
• carbon copy (in the context of letter- or email-writing)
• .cc is the Internet top-level domain for the Cocos (Keeling) Islands
• cubic centimetre (the correct symbol is cm³ or ml)
  • as in 10cc the rock group.