NTN may refer to:
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NTN (TV channel) ( uk, НТН), Ukraine
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NTN Buzztime, an entertainment company
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NTN Corporation, bearing manufacturer
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National Terminal Number
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New Telemark Norm, a type of ski binding
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Newton railway station, station code "NTN"
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Nike Team Nationals, a cross-country meet
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Normanton Airport, IATA airport code "NTN"
Science
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Netrins or NTN1, class of proteins
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Neurotactin, protein now known as CX3CL1
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Neurturin
Neurturin (NRTN) is a protein that is encoded in humans by the ''NRTN'' gene. Neurturin belongs to the glial cell line-derived neurotrophic factor (GDNF) family of neurotrophic factors, which regulate the survival and function of neurons. Neurt ...
, glial protein
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