CU

CU or cu, may refer to:

 Close-up, in film making
 Cuba (ISO 3166, FIPS Pub 10-4 and obsolete NATO diagram)
 .cu, Cuba's top-level domain country code
 Old Church Slavonic (ISO 639 alpha-2 language code)
 "See you", in e-mail shorthand
 Cubit, ancient unit of length

 Businesses and organizations 
ChristianUnion, a political party in the Netherlands
Credit union, a member-owned financial cooperative

 Science and technology 
 Copper, symbol Cu, a chemical element
 ".cu", the filename extension for CUDA objects
 chemical formula of Uranium carbide

 Universities 

Asia
Chittagong University, Bangladesh
Chulalongkorn University, Thailand
University of Calcutta, India

Australia
Curtin University, Australia

Europe
University of Cambridge, UK
Charles University, Prague, Czech Republic
Coventry University, UK

North America
Carleton University, Ottawa, Canada
Chapman University, California, US
Clarkson University, New York, US
Clemson University, South Carolina, US
Colgate University, New York, US
Columbia University, New York, US
Cornell University, New York, US
Creighton University, Nebraska, US
University of Colorado, US
University of Colorado Boulder