CHN

CHN may stand for:

Places

• China's country code
  • People's Republic of China's ISO 3166-1 alpha-3 and IOC country code
  • Republic of China's IOC country code 1932–1956, now TPE
• Chennai, state capital of Tamil Nadu, India
• Jeonju Airport, South Korea, IATA airport code
• Cheshunt railway station, Hertfordshire, UK, by National Rail station code

Networks

• Canadian Health Network
• City Hindus Network, London, UK
• Anglican religious orders
  • Community of the Holy Name, an Anglican religious order for women in England, Lesotho and South Africa
  • Community of the Holy Name (Australia), an Anglican religious order for women in Australia, unrelated to the English order
• Climate Heritage Network

Chemistry

• CHN analyzer, measuring carbon, hydrogen, and nitrogen
• Chemical formula of hydrogen cyanide and hydrogen isocyanide

Language

• Chinook Jargon (ISO 639: chn), trade language in the Pacific Northwest region of the U.S. and Canada