DD
Appearance
DD, dd, or other variants may refer to:
Arts and entertainment
- "D.D.", a track on mixtape Echoes of Silence by The Weeknd
- DD (character), a character in The Saga of Seven Suns novels by Kevin J. Anderson
- DD National or DD1, an Indian national television channel
- Dancing Dolls, a Japanese all-female pop group
- Daredevil (Marvel Comics character), a Marvel Comics character
- Matt Murdock (Marvel Cinematic Universe), the Marvel Cinematic Universe counterpart
- Decorative Designers
- Donegal Daily, an Irish news website
- Doordarshan, a public service broadcaster in India
- Erann DD, a Danish singer and songwriter
- DD, the production code for the 1966 Doctor Who serial The Tenth Planet
- DD Returns (2023), the third film in the Dhilluku Dhuddu series
Business
- DuPont, which trades shares on the New York Stock Exchange as DD
- Dunkin' Donuts, a company
Military
- DD tank, an amphibious tank
- Dishonorable discharge, a punitive discharge in the U.S. military
- DD, the U.S. Navy hull classification for destroyers
- DD Form 214, a form used by the U.S. Defense Department
Places
- DD postcode area, in Scotland
- .dd, a hypothetical domain name for the German Democratic Republic
- Dresden, Germany (license plate code DD)
- Daman and Diu, a former union territory of India, now part of Dadra and Nagar Haveli and Daman and Diu
Science and technology
Computing
<dd></dd>
, an HTML element for specifying definition data- dd (Unix), a program that copies and converts files and data
- Deckadance, a DJ program for Windows and Mac OS X designed by Image-Line
- Deployment descriptor, a component in Java Platform, Enterprise Edition applications
- Logo for Dolby Digital, audio compression technologies developed by Dolby Laboratories
- Double density, a capacity designation on magnetic storage, usually floppy disks
- Debian Developer, the traditional full-membership role in Debian
Other uses in science and technology
- Data Deficient, a rating on the IUCN Red List of Threatened Species
- Decimal degrees, geographic coordinates shown using decimal fractions
- Death domain, a protein-interaction module, a subclass of the death fold protein motif
- DD Index, for Democracy-Dictatorship Index
- Abbreviation for dolichospondylic dysplasia, a genetic syndrome
- Developmental disability, or developmentally disabled, a diverse group of chronic conditions due to mental or physical impairments arising before adulthood
- Deuterium-deuterium fusion, a type of nuclear fusion
Sports
- Delhi Daredevils, former name of Delhi Capitals
- Delhi Dynamos FC, an Indian Super League franchise, now Odisha FC
Transportation
- DD tank, an amphibious tank
- D-D locomotive, the AAR classification for a railway locomotive with two four-axle bogies
- Danish Air Lines, an airline
- Invincible D-D, a prototype aircraft
- Nok Air, a low-cost airline based in Thailand
- Victorian Railways Dd class, a class of steam locomotives in Australia
Other uses
- DD, a brassiere measurement
- Dd (digraph), in the Welsh language
- Degree of difficulty, in several sports
- Demand draft, a negotiable instrument issued by the bank
- Deputy Director (disambiguation), a rank in some organizations
- Designated driver, a person who remains sober as the responsible driver
- Doctor of Divinity, an academic degree
- Dine and dash, a form of theft by fraud
- Direct debit, a way of paying bills