NTF may refer to:
Biology Neurotrophic factors, a family of biomolecules
Organizations National Society for Road Safety (), a Swedish road safety organization National Task Force, of the Swedish police National Turkey Federation, US Nigeria Trust Fund Norsk Toppfotball, a Norwegian football organization Norwegian Tobacco Workers' Union () Norwegian Transport Workers' Union (), a trade union in Norway Norwegian Union of Textile Workers () Number Theory Foundation, US
Technology Nachrichtentechnische Fachberichte, a German engineering journal National Transonic Facility, a US wind tunnel National Transfer Format, for geospatial information, UK No Trouble Found, a maintenance term
See also NTFS, a file system developed by Microsoft NFT (disambiguation)