| Acronym | Definition |
|---|
| NTBA➣North Tahoe Business Association (est. 1979; Kings Beach, CA) |
| NTBA➣Network Terminator Basis-Anschluss |
| NTBA➣National T-Bucket Alliance |
| NTBA➣National Transit Benefit Association |
| NTBA➣Northern Territory Bar Association (Australia) |
| NTBA➣North Tennessee Beekeepers' Association |