DA

Da, DA, dA 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, American 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
One Woman's War: Da (Mother), a book about memoirs of a mother during Iran–Iraq War

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

Da!, a Russian youth movement
Debtors Anonymous
Donegal Artillery, a reserve unit of Britain's Royal Artillery based in County Donegal, Ireland
Air Georgia, a Georgian airline (IATA code DA)
United States Department of the Army, administrative parent of the United States Army

Da (political party), a defunct Israeli political party
DA-Notice (Defence Advisory Notice), a former name for a D-Notice, a government request the UK not to publish or broadcast a specified news item for reasons of national security
Democratic Alliance (South Africa), a South African political party
Democratic Awakening (Demokratischer Aufbruch), 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
Justice and Truth Alliance (Alianța Dreptate și Adevăr), a defunct alliance of parties in Romania

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

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.
South Kalimantan (vehicle registration prefix DA)
Da (Armenian letter)
Da (Indic)