DNT may refer to:
Science, technology and medicine Chemistry Dermonecrotic toxin, a toxin Dinitrotoluene, a chemical precursor to TNT
Medicine Double-negative T cell, a thymocyte in an early stage of development Dysembryoplastic neuroepithelial tumour, a type of brain tumour
Computing Do Not Track, a proposed HTTP header, to disable tracking by web services
Places Dallas North Tollway, Texas, USA Dent railway station, by National Rail station code
Other uses Denotified tribes of India Norwegian Trekking Association (Norwegian: Den Norske Turistforening) Duluth News Tribune, a newspaper in Duluth, Minnesota, USA Druk Nyamrup Tshogpa, a political party in Bhutan
See also Trinitrotoluene (TNT), an explosive chemical compound