CHN may stand for:
* China's country code
**
People's Republic of China's ISO 3166-1 alpha-3 and IOC country code
**
Republic of China
Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
's IOC country code 1932-1956, now TPE
*
Canadian Health Network
*
Cheshunt railway station
Cheshunt is a National Rail and London Overground station in Cheshunt, Hertfordshire, England. On the National Rail network it is on the West Anglia Main Line, from London Liverpool Street and situated between and . On the London Overground net ...
, Hertfordshire, National Rail station code
*
CHN analyzer, measuring carbon, hydrogen, and nitrogen
*
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
*
Jeonju Airport, South Korea, IATA airport code
* Chemical formula of
hydrogen cyanide
Hydrogen cyanide, sometimes called prussic acid, is a chemical compound with the formula HCN and structure . It is a colorless, extremely poisonous, and flammable liquid that boils slightly above room temperature, at . HCN is produced on an ...
and
hydrogen isocyanide
*
Climate Heritage Network The Climate Heritage Network (CHN) was set up in 2018 and launched in 2019 in response to the Global Climate Action Summit and the impacts of climate change on the arts, culture and heritage sectors. It aims to support its members in contributing to ...
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