DHT

DHT may refer to:

Science and technology

 * Discrete Hartley transform, in mathematics
 * Distributed hash table, lookup service in computing

Chemistry

 * Dihydrotestosterone, hormone derived from testosterone
 * Dihydrotachysterol, synthetic vitamin D analog

Other

 * DHT (band), Belgian dance duo
 * Dr Hadwen Trust, UK charity promoting animal experiments alternatives
 * Dalhart Municipal Airport, (IATA code), an airport near Dalhart, Texas
 * Grande Prairie Daily Herald-Tribune, a newspaper in Canada
 * David Hume Tower, the former name of 40 George Square, a University of Edinburgh building