CNR

CNR might be an acronym or abbreviation for:

Science, technology, computing and communications

 * Carrier-to-noise ratio (C/N)
 * CNR (imaging), the quantity "Contrast to Noise Ratio" in diagnostic imaging
 * Cisco Network Registrar, a DHCP, DNS and TFTP server suite offered by Cisco
 * Communications and networking riser (a PC motherboard card specification)
 * Combat-net radio
 * CNR (software), formerly known as One-Click & Run, a software service from Linspire GNU/Linux distributor
 * "Could Not Reproduce", a status when debugging a software bug
 * Chief of Naval Research

Entertainment and media

 * China National Radio
 * "CNR" (song), a song about Charles Nelson Reilly by "Weird Al" Yankovic
 * CNR Records, a Dutch record label releasing records by Stars on 45 in the 1980s, today a sublabel of Arcade Records

Groups and organisations

 * Conseil national de la Résistance, WW2 French resistance governing body
 * Consiglio Nazionale delle Ricerche, Italian National Research Council
 * College of Natural Resources, at numerous different universities
 * UC Berkeley College of Natural Resources at the University of California, Berkeley

People

 * Charles Nelson Reilly, American actor, comedian, director
 * C.N.R. Rao, a solid state scientist

Companies

 * Canadian National Railway, a railway operator in Canada
 * Canadian Natural Resources, an oil company
 * China CNR Corporation, a railway equipment manufacturer in China.
 * Compagnie Nationale du Rhône, an electricity generating company in France

Other

 * College of New Rochelle, Catholic college based in New Rochelle, New York, United States.
 * Corner, used in some Australian or South African addresses to specify the crossing of two roads.