NDA

NDA may stand for:

• National Defence Academy (disambiguation)
• National Defence Act, legislation for organizing and funding Canada's military
• National Defense Area, a military installation at the Mexico–United States border operated by the US 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 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, sister company of the National Cheer Association
• National Dance Association, 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
• Northern Domestic Airspace, a Canadian aviation organization
• Nuclear Decommissioning Authority, an entity of the UK government
• National Defense Academy, an armed forces training academy in India.

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

• National Design Awards, by the American National Design Museum
• New Drug Application, to US FDA
• Non-destructive analysis, to evaluate a material's properties
• Non-disclosure agreement
• Notre Dame Academy, Patna, a girls' school, Patna, India
• Najran Domestic Airport, Saudi Arabia
• Nicolas Dupont-Aignan, a French politician

• N'Da, a surname