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

Arts, entertainment, and media[edit]

Degrees and licenses[edit]


Politics, judiciary[edit]


  • 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"
  • Danbury, a city in Fairfield County, Connecticut, US

Science and technology[edit]

Biology and medicine[edit]

Other uses in science and technology[edit]

  • 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

Other uses[edit]

See also[edit]