Cn

CN, Cn, cn and other variants may refer to:

== Companies == Canadian National Railway, reporting mark CN China Netcom, a former telecommunication service provider in China, NYSE symbol Collegiate Network, supporting college publications Grand China Air, IATA code CN Islands Nationair, an airline based in Port Moresby, Papua New Guinea, IATA code CN Westward Airways (Nebraska), a former airline, IATA code CN (dissolved 2005)