DD

DD, dd, or other variants may refer to:

Arts and entertainment

Film and television

• DD National or DD1, an Indian national television channel
• Dhivyadharshini, Indian television host and actress, known as DD
• Matt Murdock (Marvel Cinematic Universe), a counterpart to the Daredevil comic book character
• Doordarshan, a public service broadcaster in India
• The Tenth Planet, a 1966 Doctor Who serial (production code "DD")
• Dhilluku Dhuddu franchise, Indian film series
  • Dhilluku Dhuddu (2016), the first instalment in the Dhilluku Dhuddu series
• Edd, commonly known as Double-D, a character from Ed, Edd n Eddy

Music

• "D.D.", track from the mixtape Echoes of Silence by the Weeknd
• Dancing Dolls, a Japanese all-female pop group
• Erann DD, a Danish singer and songwriter
• "Double D'z" (2022), a song by Black Eyed Peas from Elevation

Other media

• DD (character), in The Saga of Seven Suns novels by Kevin J. Anderson
• Daredevil (Marvel Comics character)
• Decorative Designers, an artists firm
• Donegal Daily, an Irish news website
• D&D (Dungeons & Dragons), a fantasy tabletop role-playing game

Businesses

For transport operators, see § Transportation.

• Daniel Defense, a firearms manufacturer
• Data Disc
• Decorative Designers, an artists firm
• Dioničko društvo (d.d. or D.D.), a type of Joint-stock company in Bosnian and Croatian languages
• Doordarshan, a public service broadcaster in India
• DuPont, which trades shares on the New York Stock Exchange as DD
• Dunkin' Donuts, a coffee and doughnut 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
• Daman and Diu, a former union territory of India, now part of Dadra and Nagar Haveli and Daman and Diu
• Dresden, Germany (license plate code DD)
• German Democratic Republic (hypothetical domain name .dd)
• South Sulawesi (vehicle registration prefix DD)

Science and technology

Computing

• <dd></dd>, an HTML element for specifying definition data
• dd (Unix), a program that copies and converts files and data
• .dd, a hypothetical domain name for the German Democratic Republic
• 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

For transportation technology, see § Transportation.

• 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

Sport

• Degree of difficulty, in several 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, former airline (IATA code DD)
• 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
• South Sulawesi (vehicle registration prefix DD)

Other uses

• DD, a brassiere measurement
• Dd (digraph), in the Welsh language
• 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
• Dompet Dhuafa, an Indonesian charity
• Dine and dash, a form of theft by fraud
• Direct debit, a way of paying bills
• Double Diamond Burton Pale Ale

See also

• Dede (disambiguation)
• Dedee, a nickname
• Deede (disambiguation)
• Deedee (disambiguation)
• Didi (disambiguation)