DT

DT may refer to:

Music

 * Dt. (band), a Japanese dance/rock group
 * "D.T.", an instrumental song on Who Made Who, AC/DC's 1986 album
 * Dark Tranquillity, Swedish melodic death metal band
 * Dream Theater, American progressive metal band
 * MC DT, a UK garage emcee and member of DJ Pied Piper and the Masters of Ceremonies

Other media

 * The Dark Tower (disambiguation), various works of fiction
 * Dilithium (Star Trek), fictional chemical element by its symbol
 * Ixion Saga DT, a television series

Businesses and organisations

 * Daimler Truck, German commercial vehicle manufacturer
 * Dalarnas Tidningar, Swedish newspaper and media company
 * Deutsche Telekom (by NYSE ticker symbol)
 * Dhanmondi Tutorial, an educational organisation
 * Dimosia Tileorasi, a former Greek public broadcaster
 * DT Infrastructure, Australian construction company
 * Dynatrace, software intelligence provider (by NYSE stock symbol)
 * TAAG Angola Airlines (IATA code: DT)
 * Turkish State Theatres (Devlet Tiyattolari)

Language and linguistics

 * d/t, shorthand for "due to"
 * Discourse transcription, in linguistics
 * Daighi tongiong pingim, an orthography in the Latin alphabet for Taiwanese language

Places

 * District, in abbreviations
 * Downtown, in abbreviations
 * Dakota Territory, the northernmost part of the land acquired in the Louisiana Purchase
 * DT postcode area, including Dorchester and surrounding areas in southern England

Computing and telecommunications

 * , an HTML element for specifying definition data
 * Daemon Tools, a disk image emulator
 * Digital television, the transmission of television signals using digital encoding
 * Digital transformation, the adoption of digital technology
 * Decision tree, a decision support tool

Health and psychology

 * DT vaccine, a diphtheria and tetanus vaccine
 * Dark triad, a group of personality traits
 * Delirium tremens, a medical condition of uncontrolled shaking, typically due to alcohol or drug withdrawal
 * Drug Tariff price, the amount pharmacies in the United Kingdom get reimbursed for generic medications
 * Digestive tract, the tract or passageway of the digestive system that leads from the mouth to the anus

Weapons

 * Douglas DT, a U.S. Navy torpedo bomber
 * DT, variant of the Degtyaryov machine gun for mounting and loading in armoured fighting vehicles

Other uses in science and technology

 * DT, in nuclear fusion, the ratio of hydrogen isotopes deuterium and tritium
 * Deuterium–tritium fusion, a type of nuclear fusion
 * Navistar DT engine
 * ΔT (timekeeping), the time difference between Universal Time (UT, defined by Earth's rotation) and Terrestrial Time (TT, independent of Earth's rotation

Other uses

 * DT, latinised symbol for the Tunisian dinar
 * Defensive tackle, a position in American football
 * Nickname for Demaryius Thomas (1987–2021), American football player
 * Nickname for Derrick Thomas (1967–2000), American football player
 * Design and technology, an area of study taught at schools and colleges
 * Deuteronomy, the fifth book of the Hebrew Bible