| Acronym | Definition |
|---|
| NDSA | National Disability Sports Alliance |
| NDSA | North Dakota Stockmen's Association |
| NDSA | North Dakota State Assessment |
| NDSA | North Dakota Student Association |
| NDSA | Notre Dame of St. Agatha (Canada) |
| NDSA | New Disco Science Alliance (band) |
| NDSA | Northern DHB Support Agency Ltd (New Zealand) |
| NDSA | Notre Dame Senior Alumni |
| NDSA | National Debt Settlement Association |
| NDSA | National Dietary Survey of Adults |
| NDSA | Naphthalene Disulfonic Acid |
| NDSA | North Dakota Society of Accountants |
| NDSA | Nissan Diesel South Africa |
| NDSA | Nicotine Dependence Scale for Adolescents |
| NDSA | North Dakota Staffing Association |
| NDSA | National Data Security Agency (Pakistan) |
| NDSA | Non-Dermatomal Sensory Abnormality |
| nDSA | n-Doxylstearic Acid |
| NDSA | Naval Defense Sea Area |
| NDSA | North Dakota Statistical Abstract |
| NDSA | Network Device and Support Administration |
| NDSA | Nonduality Salon-A |
| NDSA | Naperville Diamond Softball Association (Illinois) |
| NDSA | National Deputy Sheriffs Association |
| NDSA | National Democratic Students’ Association (Nepal) |
| NDSA | Nederlandse DansSport Academie (Netherlands) |
| NDSA | National Directorate for Social Action |
| NDSA | Nunavut Dogsledding Association |
| NDSA | Northern District Softball Association, Inc. (Australia) |
| NDSA | Notts and Derbys Security Association (UK) |
| NDSA | Núcleos de Defesa Sanitária Animal (Brazil) |
| NDSA | Neighbor-Dependent Sequence Analysis |
| NDSA | Norrbottens Data Styrda Arkiv (Norway) |
| NDSA | Northern District Swimming Association (Australia) |
| NDSA | National Distinguished Service Award |
| NDSA | North Dakota Search Angels |
| NDSA | Non-Deterministic finite Stack Automaton |
| NDSA | Nocturnal Dirt Surfers Alliance (Colorado) |
| NDSA | Newhaven Deep Sea Anglers (UK boat fishing competition club) |