NTF

NTF may refer to:

Biology

 * Neurotrophic factors, a family of biomolecules

Organizations

 * National Society for Road Safety (Nationalföreningen för trafiksäkerhetens främjande), 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 (Norsk Tobakkarbeiderforbund)
 * Norwegian Transport Workers' Union (Norsk Transportarbeiderforbund), a trade union in Norway
 * Norwegian Union of Textile Workers (Norsk Tekstilarbeiderforbund)
 * 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