HN or Hn may refer to:

Arts and entertainment

* Hn., musical score notation for

French horn The French horn (since the 1930s known simply as the horn in professional music circles) is a brass instrument made of tubing wrapped into a coil with a flared bell. The double horn in F/B (technically a variety of German horn) is the horn most ...

* A numbering system for Royal Doulton Figurines, e..g. HN211

Businesses and organizations

Heavylift Cargo Airlines HeavyLift Cargo Airlines Pty Ltd was an Australian cargo airline headquartered now in Los Angeles, United States. It started operations in 2004 and operates scheduled and charter cargo services. HeavyLift took over passenger airline OzJet in 2 ...

(IATA airline designator) *

Hutchinson and Northern Railway The V&S Railway is a shortline railroad that operates two disconnected lines in the U.S. state of Kansas. It is affiliated with A&K Railroad Materials. The company acquired its first line, a former Atchison, Topeka and Santa Fe Railway line betw ...

, Kansas, US, reporting mark

Media

* HN, former alternate name for

Headline News HLN is an American basic cable network. Owned by Warner Bros. Discovery, the network primarily carries true crime programming. The channel was originally launched on January 1, 1982 by Turner Broadcasting as CNN2 (later renamed Headline News ...

Hacker News Hacker News (sometimes abbreviated as HN) is a social news website focusing on computer science and entrepreneurship. It is run by the investment fund and startup incubator Y Combinator. In general, content that can be submitted is defined as "any ...

Places

Heilbronn Heilbronn () is a List of cities and towns in Germany, city in northern Baden-Württemberg, Germany, surrounded by Heilbronn (district), Heilbronn District. With over 126,000 residents, it is the sixth-largest city in the state. From the late Mid ...

, Germany, vehicle registration * Herceg Novi, a town in Montenegro *

Honduras Honduras, officially the Republic of Honduras, is a country in Central America. The republic of Honduras is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Oce ...

(ISO 3166-1 country code) **

.hn .hn is the Internet country code top-level domain (ccTLD) for Honduras Honduras, officially the Republic of Honduras, is a country in Central America. The republic of Honduras is bordered to the west by Guatemala, to the southwest by El ...

, the Internet country code top-level domain (ccTLD) for Honduras *

Hunan Hunan (, ; ) is a landlocked province of the People's Republic of China, part of the South Central China region. Located in the middle reaches of the Yangtze watershed, it borders the province-level divisions of Hubei to the north, Jiangxi to ...

, a province of China * Thesprotia, regional unit of Greece (vehicle plate code ⟨ΗΝ⟩, for capital Igoumenitsa )

Other uses

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

Harmonic numbers In mathematics, the -th harmonic number is the sum of the reciprocals of the first natural numbers: H_n= 1+\frac+\frac+\cdots+\frac =\sum_^n \frac. Starting from , the sequence of harmonic numbers begins: 1, \frac, \frac, \frac, \frac, \do ...

Arts and entertainment

Businesses and organizations

Media

Places

Other uses

See also