CX
- .cx
- 110 (number)
- Building Commissioning
- C+ (disambiguation)
- C++/CX
- CCX (disambiguation)
- CX (noise reduction)
- CX register
- CXX (disambiguation)
- Cathay Pacific
- Cemex
- Christmas Island
- Chron X
- Circumflex artery (disambiguation)
- Citroën CX
- Connex Melbourne
- Customer experience
- Cyclo-cross
- Drag coefficient
- Fuji TV
- Honda CX series
- IP Multimedia Subsystem
- Ice Poseidon
- Mazda
- Mazda CX
- Mitsubishi Concept-cX
- Nikon CX format
- Phosgene oxime
- Policy debate
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