NDA, nda, or Nda may refer to:

Military

  • National Defence Academy (disambiguation)
  • National Defence Act, the primary law establishing the Canadian Armed Forces
  • National Defense Area, a military installation at the Mexico–United States border operated by the U.S. Government
  • Naval Defence Act (disambiguation)
  • Niger Delta Avengers, a militant group in Nigeria's Niger Delta
  • Nigerian Defence Academy, a military academy in Nigeria
  • National Defence Academy (India), an armed forces training academy in India
  • Northern Domestic Airspace, a Canadian aviation organization

Politics

  • National Data Administration, a Chinese central government agency
  • National Democratic Alliance (disambiguation)
  • National Democratic Assembly, the English name of the Israeli political party Balad

Other organizations

  • National Dance Alliance, a sister company of the National Cheer Association
  • National Dance Association, a defunct association of the American Alliance for Health, Physical Education, Recreation and Dance
  • National Dental Association, an association for African-American dentists
  • Net Daemons Associates, a computer network and systems administration company
  • New Dutch Academy, an orchestra in The Hague, Netherlands
  • National Disability Authority, an agency of the Irish Department of Children, Disability and Equality
  • Nuclear Decommissioning Authority, an entity of the UK government
  • Notre Dame Academy (disambiguation)

Music

  • "NDA" (song), a 2021 song by Billie Eilish
  • "NDA", a song by Megan Thee Stallion from the album Traumazine, 2022

Other uses

  • Non-disclosure agreement, a contractual agreement not to disclose specified information
  • National Design Awards, by the American National Design Museum
  • New Drug Application, to the U.S. Food and Drug Administration
  • Non-destructive analysis, to evaluate a material's properties
  • Najran Domestic Airport, Saudi Arabia
  • Nicolas Dupont-Aignan, a French politician
  • Ndasa language (ISO 639-3 code: nda)

See also

  • N'Da, a surname