NTN may refer to:
NTN (TV channel) (), Ukraine NTN Buzztime, an entertainment company NTN Corporation, bearing manufacturer National Television Network (Saint Lucia), a Saint Lucian television channel National Terminal Number New Telemark Norm, a type of ski binding Newton railway station, station code "NTN" Nike Team Nationals, a cross-country meet Normanton Airport, IATA airport code "NTN" Non-Terrestrial Network
Science Netrins or NTN1, class of proteins Neurotactin, protein now known as CX3CL1 Neurturin, glial protein