| Acronym | Definition |
|---|
| NSBA | National School Boards Association |
| NSBA | National Small Business Association |
| NSBA | Nebraska State Bar Association |
| NSBA | National Snaffle Bit Association |
| NSBA | National Steel Bridge Alliance |
| NSBA | North Saskatoon Business Association (Canada) |
| NSBA | National Striped Bass Association |
| NSBA | National Survey of Black Americans |
| NSBA | National Small Business Alliance |
| NSBA | Nova Scotia Boatbuilders Association |
| NSBA | National Spatial Biodiversity Assessment |
| NSBA | Nebraska State Bandmasters Association |
| NSBA | National Saanen Breeders Association |
| NSBA | Northern Suburbs Basketball Association (Australia) |
| NSBA | National School Band Association |
| NSBA | Norfolk and Suffolk Boating Association (UK) |
| NSBA | Nova Scotia Badminton Association (Canada) |
| NSBA | National Sport Blowgun Association |
| NSBA | National Small Business Administration |
| NSBA | North Seattle Baseball Association |
| NSBA | National Sport Bike Association |
| NSBA | National Sample Base Assessment (Philippines) |
| NSBA | Nassau-Suffolk Bridge Association |
| NSBA | North Springfield Betterment Association (Springfield, Missouri) |
| NSBA | North Suburban Builders Association (Pittsburgh, PA) |
| NSBA | Nebraska State Buffalo Association |
| NSBA | National Snafflebit Association |
| NSBA | Nova Scotia Beekeepers Association (Canada) |
| NSBA | North Star Benefit Association |
| NSBA | Nevada State Bowling Association (Tonopah, NV) |
| NSBA | Normal Section Back Azimuth |
| NSBA | National Silica Brickmakers' Association |
| NSBA | New Shaolin Boxing Association |
| NSBA | Nebraska School Boards Association |
| NSBA | Norwegian Snowboard Association |
| NSBA | Nova Scotia Band Association (Canada) |
| NSBA | Nevada School Boards Association |
| NSBA | National Sugar Brokers Association |