NN

NN, Nn, or nn may refer to:

Arts and media

• NN (film), a 2014 Peruvian film
• Nintendo Network, a discontinued Nintendo service
• The Abominable Snowmen, a 1967 Doctor Who serial (production code NN)

Businesses and organizations

• Nationale-Nederlanden, a Dutch insurance company commonly referred to as NN
• Netroots Nation, a political convention for American progressive activists
• Nevada Northern Railway (reporting mark NN)
• Norilsk Nickel, а metallurgical and mining company
• VIM Airlines (IATA airline designator NN)
• Nigerian Navy, part of the armed forces of Nigeria
• New Hope (Polish: Nowa Nadzieja), a Polish far right party

Language

• ⟨nn⟩, a digraph; see List of Latin-script digraphs § N
• Ñ, a letter in Spanish, originally derived from the written "nn"
• Nynorsk, a Norwegian written language (ISO 639 alpha-1 code "nn"), as distinguished from Bokmål (code "no")

People

• Camillo Almici, 18th-century Italian priest known by the pseudonym N.N.
• Nick Nurse, head coach of the NBA's Toronto Raptors
• Sergei Prokopovich, Russian economist known by the pseudonym N.N.

Places

• NN postcode area, UK, for areas of Northamptonshire, England
• Newport News, a city in Virginia, United States
• Nizhniy Novgorod, a Russian city

Science and technology

• Nearest neighbor (disambiguation), with several related uses in mathematics
• Net neutrality, the principle that Internet service providers should treat all data the same
• Neural network, a group of interconnected nerve cells or a machine-learning model inspired by one
• Neutronium, a hypothetical element with chemical symbol nn
• Normalnull, a German height reference system preceding Normalhöhennull (NHN)

Other uses

• Double net lease, a type of lease used for commercial real estate
• Nomen nescio (Latin for "no name"), a person whose name is unknown