DA

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

Entertainment

Da (play), a Tony-winning play by Hugh Leonard
Da (film), a movie adaptation of the play by Hugh Leonard
The D.A. (1971 TV series), an NBC dramatic series
The D.A. (2004 TV series), an ABC dramatic series starring Steven Weber
Dumbledore's Army, a fictional group in the Harry Potter series by J. K. Rowling

Adi Da, a spiritual leader once known as Da Free John, and Da Love-Ananda
District attorney (D.A.), a United States Attorney or County attorney
Doctor of Arts degree
Diploma of Anesthesiology, a degree conferred by some medical institutions such as the Royal College of Anaesthetists
Da., Occitan abbreviation for Dòna (Mrs.)

Da!, a Russian youth movement
Da (political party), a defunct Israeli political party
Democratic Alliance (South Africa), a South African political party.
Department of Agriculture (Philippines), an executive department in the Philippines
Deutsche Alternative (German Alternative), a rightist group
Debtors Anonymous
Diploma in Anaesthetics, an obsolete postgraduate qualification in anaesthetic practice
DeviantArt, an English speaking, American based website that focuses on art, which is commonly abbreviated to 'dA'

Da County, in Sichuan, China
DA postcode area, in England
Da River in Vietnam
Domus Academy, a design school in Milan, Italy
Deerfield Academy, a preparatory boarding school located in Deerfield, Massachusetts

Dalton (unit), the atomic mass unit (symbol Da)
Deca- (symbol da), an SI prefix for a factor of 10
Domoic acid, a neurotoxin produced by phytoplankton
Doomsday argument, a probabilistic argument based on demographics predicting how many people will be born.
Dopamine, a monoamine neurotransmitter

SJ Da, a Swedish locomotive
Daniel Amos or D.A., a California rock band
Danish language (ISO 639-1 alpha-2 code da)
Direct action, activity undertaken to achieve change outside of less direct social/political channels