NB, Nb, or nb may refer to:

Arts and entertainment

* ''N.B.'' (album), an album by Natasha Bedingfield * ''NB'' (TV programme), a Scottish arts television programme that aired 1989–1997

Businesses

NB Global NB Global () is a large British investment company dedicated to senior secured loans in large US and European companies. Established in April 2011, the company is listed on the London Stock Exchange. The chairman is Rupert Dorey. It is managed by ...

, a British investment company * New Balance, a shoe company * Nigerian Breweries, a beverage company *

Sterling Airlines Sterling Airlines A/S was a low-cost airline with its head office at Copenhagen Airport South in Dragør, Dragør Municipality, Denmark. It was created in September 2005 through the merger of two Danish airlines — Sterling European Airlin ...

, a defunct Danish airline (IATA designator) *

National bank (disambiguation) National bank has several meanings in banking. National bank may also refer to: ;Commercial banks * National Australia Bank * National Bank of Bahrain * National Bank of Canada * ''Nationalbank für Deutschland'', a bank that merged into Darmstä ...

several banks

Language

* '' Nota bene'', often abbreviated as NB or n.b., a Latin phrase meaning "note well" * nb, ISO 639-1 code for Bokmål, the written standard of the Norwegian language * 牛屄 (niúbī), a common word in

Mandarin Chinese profanity Profanity in Mandarin Chinese most commonly involves sexual references and scorn of the object's ancestors, especially their mother. Other Mandarin insults accuse people of not being human. Compared to English, scatological and blasphemous refe ...

Places

* New Brunswick, a province of Canada, (postal abbreviation: NB) * Nebraska, US, (former postal abbreviation: NB; changed to NE)

Science and technology

Niobium Niobium is a chemical element with chemical symbol Nb (formerly columbium, Cb) and atomic number 41. It is a light grey, crystalline, and ductile transition metal. Pure niobium has a Mohs hardness rating similar to pure titanium, and it has sim ...

, symbol Nb, a chemical element * NB class, Australian steam locomotives * Boeing NB, a 1923 training aircraft *

Naive Bayes classifier In statistics, naive Bayes classifiers are a family of simple "probabilistic classifiers" based on applying Bayes' theorem with strong (naive) independence assumptions between the features (see Bayes classifier). They are among the simplest Baye ...

, in statistics * Neuroblastoma, a type of cancer * Nominal bore or nominal pipe size, a set of standard sizes for pipes * Nanobarn (nb), a unit of cross-sectional area * Mazda MX-5 (NB), the second generation of the Mazda MX-5 * NB (programming language), an intermediate-stage language known as "New B" that evolved from the "B" language and then further evolved into the "C" language

Other uses

Narrowboat A narrowboat is a particular type of canal boat, built to fit the narrow locks of the United Kingdom. The UK's canal system provided a nationwide transport network during the Industrial Revolution, but with the advent of the railways, commerc ...