| Acronym | Definition |
|---|
| NDA➣New Drug Application (US FDA) |
| NDA➣Non-Disclosure Agreement |
| NDA➣National Democratic Alliance (group of political parties in India) |
| NDA➣Notre Dame Academy |
| NDA➣National Defence Academy (military training school in India) |
| NDA➣National Disability Authority (Ireland) |
| NDA➣Nigerian Defence Academy (est. 1964) |
| NDA➣Nuclear Decommissioning Authority (UK) |
| NDA➣National Defense Academy (Japan) |
| NDA➣National Dance Association |
| NDA➣Network Data Analyzer |
| NDA➣Non Disclosure Agreement |
| NDA➣Nevada Department of Agriculture (est. 1915) |
| NDA➣National Department of Agriculture (South Africa) |
| NDA➣Next Day Air |
| NDA➣No Data Available |
| NDA➣National Dental Association |
| NDA➣Nissan Design America (La Jolla, CA) |
| NDA➣Nevada Development Authority |
| NDA➣Nuffield Department of Anaesthetics (University of Oxford; UK) |
| NDA➣National Dart Association |
| NDA➣National Defence Act (Canada) |
| NDA➣National Day of Action |
| NDA➣National Directory Assistance (Sprint) |
| NDA➣Non-Destructive Assay |
| NDA➣Nederlandse Dealer Associatie (Dutch) |
| NDA➣National Deaf Academy |
| NDA➣Non-Data-Aided |
| NDA➣Natural Death Act (Washington) |
| NDA➣Never Die Alone |
| NDA➣New Defence Agenda (Brussels, Belgium) |
| NDA➣Non-Destructive Analysis |
| NDA➣Nonprescription Drug Advisory (US FDA) |
| NDA➣National Drilling Association |
| NDA➣Niagara Divers' Association |
| NDA➣National Defense Area |
| NDA➣Non-Disturbance Agreement |
| NDA➣National Defense Act (USA) |
| NDA➣Nepal Dental Association (Lalitpur, Nepal) |
| NDA➣Not Diagnosed with Anything |
| NDA➣Not Deliverable as Addressed (shipping) |
| NDA➣National Dance Agency (UK) |
| NDA➣Network Data Anonymization |
| NDA➣No Detectable Activity |
| NDA➣Northern Domestic Airspace |
| NDA➣Night Duty Allowance (on overtime forms) |
| NDA➣Nebraska Dietetic Association |
| NDA➣Nebraska Dressage Association |
| NDA➣National Distribution Authority |
| NDA➣Natural Disaster Assistance |
| NDA➣National Dealers Association |
| NDA➣Normal Daily Activity |
| NDA➣National Diploma of Agriculture (UK) |
| NDA➣New Dimensional Applications (SAP) |
| NDA➣Network Design Activity |