CHN may stand for:
* China's country code
**
People's Republic of China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
'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 The Canadian Health Network (CHN) was established in 1999 as a national, bilingual health promotion service operated by the Public Health Agency of Canada and major health organizations across Canada. It was an on-line collaborative service and ...
*
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
The Community of the Holy Name (CHN) is an international Anglican religious order for women. The full name of the community is The Community of the Mission Sisters of the Holy Name of Jesus, usually shortened to Community of the Holy Name. The o ...
, an Anglican religious order for women in England, Lesotho and South Africa
**
Community of the Holy Name (Australia)
The Community of the Holy Name (CHN) is an Anglican Anglican religious order, religious community for women in the Melbourne suburb of Cheltenham, Victoria, Australia. In 1912 it became the first Anglican religious order to be successfully esta ...
, an Anglican religious order for women in Australia, unrelated to the English order
*
Jeonju Airport, South Korea, IATA airport code
*
Chennai
Chennai (, ), formerly known as Madras ( the official name until 1996), is the capital city of Tamil Nadu, the southernmost Indian state. The largest city of the state in area and population, Chennai is located on the Coromandel Coast of th ...
, a megacity in
South India
South India, also known as Dakshina Bharata or Peninsular India, consists of the peninsular southern part of India. It encompasses the Indian states of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, and Telangana, as well as the union territo ...
.
* 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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