LN

LN, Ln or ln may refer to:

Arts and entertainment

• Lawful Neutral, an alignment in Dungeons & Dragons
• The Sims 3: Late Night, the third expansion pack to The Sims 3
• Light novel, a style of Japanese novel for young adults
• LN (band), American slow core band
• L-n, a pseudonym of Yiddish writer Mordecai Spector

Government, military and politics

• League of Nations, intergovernmental organisation (1920–1946)
• Legalman, a United States Navy occupational rating
• Lega Nord, a northern Italian populist political party
• Livable Netherlands, a defunct Dutch political party
• Lost Nomination (LN), as of losing a nomination

Math, science and technology

• Natural logarithm (ln), or logarithm base e, a mathematical function
• ln (Unix), a UNIX command that creates file links
• IBM Lotus Notes, the client of a collaborative client-server platform from IBM
• Lanthanide (of which 'Ln' is an informal name) or lanthanoid, a series of chemical elements
• Late Neolithic, an archaeological period
• Liquid nitrogen, the liquefied form of the gas
• Lymph node, an anatomical feature involved in immunological function
• Lightning Network, the decentralized network of Bitcoin to support instant payments

Places

• Lane (Ln), as part of the proper name for a country lane
• Liaoning, a province of China (Guobiao abbreviation LN)
• LN postcode area, in Britain, named after Lincoln
• Norway (aircraft registration prefix LN)

Other uses

• Libyan Airlines, by IATA code
• Louisville and Nashville Railroad, by reporting mark
• Lingala language, by ISO 639 code ln
• Lingnan University, abbreviate as LN
• Norway (aircraft registration prefix LN)