CN

CN is most commonly used as an abbreviation for the Canadian National Railway.

CN, cN, Cn or cn may also refer to:

Places

• People's Republic of China, ISO 3166-1 alpha-2 country code
• Comoros, FIPS Pub 10-4 and obsolete NATO digram
• CN Tower, Toronto
• CN Centre - an arena in Prince George, British Columbia
• Province of Cuneo (Italy)

Companies

• Canadian National Railway
• Cartoon Network (An American cable cartoon television)
• Canadian Northern Railway
• China Netcom
• Westward Airways' IATA code
• Islands Nationair' IATA code

Organizations/Organisations

• Carson-Newman College in Jefferson City, Tennessee
• Chinese Nationalist Party (Kuomintang), a centre-right political party in the Republic of China on Taiwan.
• Commonwealth of Nations

People/Positions

• Chief of Navy (Australia)
• Chuck Norris

Science, medicine and technology

• Calcineurin (CN)
• Cyanide (the chemical formula CN)
• CN gas, Chloroacetophenone
• Curve number used in hydrology
• Copy number of a gene or genetic variation
• Copernicium has the symbol Cn (formerly named element Ununbium)
• Computational neuroethology
• Cranial nerves
• Construction number (C/N, alternately defined as contractor's number), used in the aircraft industry

Mathematics

• One of Jacobi's elliptic functions
• C_n, a Dynkin diagram

Computing

• Correspondent Node, part of the definitions for the Mobile IP protocols
• Common Name, an attribute of the Lightweight Directory Access Protocol protocol family
• VIA CN processor
• Cyber Nations An MMO Nation Simulation Game

Other

• Collegiate Network
• Combined Nomenclature(CN), the EU’s coding system for classifying products for customs and statistical purposes. This classification is based on the Harmonized System (HS).
• Credit note
• Gnaeus (Cn.) a Roman Praenomen
• Chaotic Neutral, an alignment in the Dungeons & Dragons role-playing game