CX or Cx may refer to:
Businesses and organizations
- Cathay Pacific, a Hong Kong airline (IATA code CX)
- Cemex, a Mexican building materials supply company (New York Stock Exchange symbol "CX")
- Connex Melbourne, a former Australian train operator
- Fuji TV, or CX, a Japanese television network
Science and technology
Biology and medicine
- Circumflex artery (disambiguation), multiple arteries of the human body
- Phosgene oxime, a chemical warfare agent
Computing
- An interface in IP Multimedia Subsystems, using the diameter protocol, between Home Subscriber Server and Application Server
- CX register, a general-purpose 16-bit X86 register
- C++/CX (component extensions), a language extension for C++ compilers from Microsoft that enables C++ programmers to write programs for the Windows Runtime (WinRT)
Other uses in science and technology
- CX (noise reduction), a noise reduction system, most notably used for the analog audio tracks of LaserDiscs
- Cx, an abbreviation for the Building Commissioning process
- Drag coefficient (<math>c_\mathrm d\, ,</math> <math>c_\mathrm x\,</math> or <math>\!\ c_\mathrm w</math>)
Places
- Christmas Island ISO 3166-1 alpha-2 code
- .cx, the top-level domain for Christmas Island
Transportation
- Citroën CX, a French executive car
- Honda CX series, a Japanese motorcycle range
- Mitsubishi Concept-cX, a Japanese subcompact SUV concept
- Mazda CX, the prefix for Mazda's crossover and SUV lineup
Other uses
- 110 (number), in Roman numerals
- Chron X, a digital collectible card game
- Cross-examination debate, also known as Policy debate, a form of speech competition
- Customer experience, the experiences a customer has with a supplier of goods or services
- Cyclo-cross, a form of bicycle racing
- Nikon CX format, an image sensor format
- Ĉ, a letter in the Esperanto alphabet
- Cx, a smiling emoticon
- Cx, referencing popular streamer Ice Poseidon
See also
- CXX (disambiguation)
- CCX (disambiguation)
- C+ (disambiguation)