NB, Nb, or nb may refer to:

Arts and entertainment

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Businesses

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Language

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  • 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

Places

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Science and technology

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Other uses

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See also

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