NDA

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 Defense Academy, an armed forces training academy in India
Northern Domestic Airspace, a Canadian aviation organization

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

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)

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)