# DA

Da, DA, dA, DÄ and other variants may refer to:

## Arts, entertainment, and media

* DA! (band), a Chicago post-punk band of the 1980s
* Da (play), a 1978 play by Hugh Leonard
** Da (film), a 1988 film based on the play
* Damon Amendolara, American sports talk radio host
* Daniel Amos, also known as D.A. and Dä, an American Christian rock band
* Dennis Armand Lucchesi, who recorded the song "Ready 'n' Steady" under the name "D.A."
* Destination America, television channel
* DeviantArt or DA, a website that focuses on art
* Dumbledore's Army, a group formed by Harry Potter in his 5th year to teach students defensive spells
* Jon Moxley, formerly Dean Ambrose in WWE, a wrestler
* Da, a book about memoirs of a mother during Iran-Iraq War

## Degrees and licenses

* Diploma of Anesthesiology, a degree conferred by some medical institutions such as the Royal College of Anaesthetists
* Doctor of Arts, an academic degree

## Organizations

* Da!, a Russian youth movement
* Debtors Anonymous
* Air Georgia, a Georgian airline (IATA code DA)

## Politics and judiciary

* Da (political party), a defunct Israeli political party
* Defence Advisory Notice, a government demand in Australia and the UK not to publish or broadcast a specified news item
* Democratic Alliance (South Africa), a South African political party
* Democratic Awakening, East German political party
* Department of Agriculture (Philippines), an executive department
* Deutsche Alternative ("German Alternative"), a rightist group
* District attorney, (United States) chief prosecutor for a local government area, particularly a county
* Dreptate şi Adevăr a defunct alliance of parties in Romania

## Places

* Da County, a division in Sichuan, China
* DA postcode area, a postcode area in England
* Da River or Black River, a river in China and northwestern Vietnam
* Dah, Ivory Coast, a village in Montagnes District, Ivory Coast, also spelt "Da"

## Science and technology
### Biology and medicine

* DA (chemotherapy), standard-dose cytarabine plus daunorubicin
* Deoxyanthocyanidin
* Domoic acid, a neurotoxin produced by phytoplankton
* Donor-Acceptor
* Dopamine, a monoamine neurotransmitter

### Other uses in science and technology

* Dalton (unit) (symbol Da), also called the unified atomic mass unit
* Deca- or da-, an SI prefix for a factor of 10
* Distribution amplifier, a device that accepts a single input signal and provides this same signal to multiple isolated outputs
* Double-action, a firearm operation mechanism in which the trigger both cocks and releases the hammer
* NZR DA class, a New Zealand diesel locomotive
* SJ Da, a Swedish electric locomotive
* Domain authority Domain Authority

## Sports

* U.S. Soccer Development Academy, former United States soccer league

## Other uses

* D.A. Wallach (born 1985), American musician and business executive
* Da (Javanese), a syllable in Javanese script
* Da. or Dòna, the honorific Mrs. in Occitan language
* Da Hoss, an American racehorse
* Dame of St Andrew, a discontinued award within the Order of Barbados
* Danish language (ISO 639-1 alpha-2 code DA)
* Dearness allowance, cost of living allowance to government employees in Bangladesh, India, and Pakistan
* Desk accessory, graphical programs
* Direct action (military), in special operations
* Disadvantage, an off-case argument used by the Negative team in a policy debate
* Doomsday argument, a probabilistic argument based on demographics predicting how many people will be born
* Duck's ass or duck's arse, a haircut; particularly popular during the 1950s
* Dynamic game difficulty balancing, also known as difficulty adjustment or DA, an algorithm in video games.