CEN
- American Chemical Society
- Cambridge Evening News
- Cen (surname)
- Cen language
- Centaur (minor planet)
- Centaurus
- Center for Electron Nanoscopy
- Central European News
- Central Region, Scotland
- Central station (MTR)
- Centralia, Illinois (Amtrak station)
- Certified Emergency Nurse
- Child neglect
- Ciudad Obregón International Airport
- European Committee for Standardization
- Kaunan
- SCK•CEN