| Acronym | Definition |
|---|
| NTAB➣Niagara Training and Adjustment Board (Canada) |
| NTAB➣Northwest Training and Adjustment Board (Dryden, Ontario, Canada) |
| NTAB➣National Trust Association in Belgium (est. 1977) |
| NTAB➣National Tire and Battery |
| NTAB➣Neutralization Antibody |