Look up HN in Wiktionary, the free dictionary.

HN or Hn may refer to:

Arts and entertainment

• French horn (musical score notation: Hn.)
• HN, a numbering system for Royal Doulton Figurines, e.g. HN211
• Headline News, former name of the HLN TV network
• Hacker News, a social news website

Businesses and organizations

• Equair (former IATA code: HN), a former Ecuadorian airline
• HeavyLift Cargo Airlines (former IATA code: HN), a former Australian cargo airline
• Hutchinson and Northern Railway (reporting mark: HN), Kansas, US

Places

• Heilbronn (vehicle registration), a city in Germany
• Herceg Novi (car plates: HN), a town in Montenegro
• Honduras (ISO 3166-1 country code)
• Hunan, a province of China
• Thesprotia (vehicle plate code: ΗΝ), regional unit of Greece

Science and technology

• .hn, the Internet country code top-level domain (ccTLD) for Honduras
• Harmonic number, in mathematics

Other uses

• Hospitalman, a US Navy hospital corpsman rate
• ⟨hn⟩, a two-letter combination used in some languages
  • Reduction of /hn/ to /n/ in Old/Middle English

See also

• English horn (musical score notation: E. hn.)
• Saxhorn (musical score notation: S. hn.)

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