Look up HN in Wiktionary, the free dictionary.

HN or Hn may refer to:

Arts and entertainment

• Hn., musical score notation for French horn
• A numbering system for Royal Doulton Figurines, e..g. HN211

Businesses and organizations

• Heavylift Cargo Airlines (IATA airline designator)
• Hutchinson and Northern Railway, Kansas, US, reporting mark

Media

• HN, former alternate name for Headline News
• Hacker News

Places

• Heilbronn, Germany, vehicle registration
• Herceg Novi, a town in Montenegro
• Honduras (ISO 3166-1 country code)
  • .hn, the Internet country code top-level domain (ccTLD) for Honduras
• Hunan, a province of China
• Thesprotia, regional unit of Greece (vehicle plate code ⟨ΗΝ⟩, for capital Igoumenitsa Ηγουμενίτσα)

Other uses

• Hospitalman, a United States Navy Hospital corpsman rate
• ⟨hn⟩, a two-letter combination used in some languages
  • Reduction of /hn/ to /n/ in Old/Middle English
• Harmonic numbers

See also

• English horn, "E. hn." in music scores
• Saxhorn, "S. hn." in music scores