NN, Nn, or nn may refer to:
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, A part of the armed forces of Nigeria
Places
*
NN postcode area, UK, for areas of Northamptonshire, England
*
Nizhniy Novgorod, a Russian city/major trading center
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 neural network is a network or circuit of biological neurons, or, in a modern sense, an artificial neural network, composed of artificial neurons or nodes. Thus, a neural network is either a biological neural network, made up of biological ...
, a computing network inspired by biological neural networks
*
Normalnull, a German height reference system preceding Normalhöhennull (NHN)
* nn, the chemical symbol for the hypothetical element
Neutronium
Other uses
* N. N., a pseudonym of 18th-century Italian priest
Camillo Almici Camillo Almici (2 November 1714 – 30 December 1779) was a priest of the Congregation of the Oratory, of distinguished theological attainments.
Biography
Almici was born at Brescia, of a noble family. He became a member of the Congregation of the ...
* N. N., pseudonym of Russian economist
Sergei Prokopovich
*
''NN'' (film), a 2014 Peruvian film
* is a digraph, see
*
Ñ, a letter in Spanish, originally derived from the written "nn"
*
Double net lease, a type of lease used for commercial real estate
*
Nomen nescio (Latin for "no name"), a person whose name is unknown
* NN/nn,
Nynorsk, a Norwegian written language (ISO 639 alpha-1 code "nn"). Sometimes used on websites to distinguish it from its counterpart Bokmål. E.g. nn.wikipedia.org vs no.wikipedia.org.
*NN, the production code for the 1967 ''Doctor Who'' serial ''
The Abominable Snowmen''
*
Nick Nurse
Nicholas David Nurse (born July 24, 1967) is an American professional basketball coach, author and former college basketball player. He is the head coach of the Toronto Raptors of the National Basketball Association (NBA) and the Canadian men's ...
, head coach of the NBA's Toronto Raptors
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